{"title":"Mounts","description":"","products":[{"product_id":"advanced-vx-mount","title":"Advanced VX Mount","description":"\u003cp\u003eEngineered from the ground up with astroimaging in mind, the new Advanced VX series from Celestron sets a new standard in mid-level telescopes. Advanced VX provides you with many of the features found on Celestron’s most sophisticated German equatorial mounts, at an extremely affordable price.\u003c\/p\u003e\u003cp\u003eThe new Advanced VX mount was specifically designed to provide optimum imaging performance for smaller telescopes. Now your smaller telescope can take advantage of All-Star Polar Alignment and autoguider support. You’ll be able to track through long exposures using permanently programmable periodic error correction. Image across the meridian without doing a meridian flip, so you can seamlessly image the best part of night sky. Advanced VX features significantly larger base castings than Celestron's previous design, improving stability under heavier loads. Improved motors offer more torque and can handle slight load imbalances with ease.\u003c\/p\u003e\u003cp\u003eExperienced imagers will love taking this portable mount to a dark sky site, with all the performance of their larger observatory mount. Or, if you’re new to imaging, this mount will help you get started with the hobby and keep up with your needs for years to come.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInteger gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear.\u003c\/li\u003e\n\u003cli\u003eNew motors offer improved tracking performance \u0026amp; provide more power to overcome load imbalances\u003c\/li\u003e\n\u003cli\u003eUpdated industrial design offers more rigidity, less flexure and improved aesthetics\u003c\/li\u003e\n\u003cli\u003eNew design allows viewing or imaging across the meridian without interference from the motors housings\u003c\/li\u003e\n\u003cli\u003eImproved latitude range. Can be used between 7 – 77 degrees latitude.\u003c\/li\u003e\n\u003cli\u003eImproved electronics with increased memory for future expansion\u003c\/li\u003e\n\u003cli\u003eNexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTripod:\u003c\/b\u003e Adjustable, Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTripod Legs:\u003c\/b\u003e 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight (lbs):\u003c\/b\u003e 46 lbs (21 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Supply:\u003c\/b\u003e Car battery adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEQ Mount Weight:\u003c\/b\u003e 17 lbs (7.71 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTripod Height (Max):\u003c\/b\u003e 64\" in (1626 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTripod Height (Min):\u003c\/b\u003e 44\" in (1118 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTripod Weight:\u003c\/b\u003e 18 lbs (8.16 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCounterweight Bar:\u003c\/b\u003e 12\" Length, 0.75\" Diameter lbs (5.44 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCounterweights:\u003c\/b\u003e 1 x 11 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePayload Capacity:\u003c\/b\u003e 30 lbs (14 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLatitude Range:\u003c\/b\u003e 7-77 deg\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotor Drive:\u003c\/b\u003e Low cog DC Servo motors with encoders, both axes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSlew Speeds:\u003c\/b\u003e Nine slew speeds, 4 deg\/sec maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTracking Rates:\u003c\/b\u003e Sidereal, Solar and Lunar\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTracking Modes:\u003c\/b\u003e EQ North and EQ South\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlignment Procedures:\u003c\/b\u003e 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommunication Ports:\u003c\/b\u003e 2x AUX ports, Autoguider port, RS-232 port (on hand control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComputer Hand Control:\u003c\/b\u003e Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDatabase:\u003c\/b\u003e 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Requirements:\u003c\/b\u003e 12V DC 3.5A (tip positive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal Clock:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGPS:\u003c\/b\u003e Optional SkySync GPS Accessory\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328434974856,"sku":"91519","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/91519_AVX_Mount_02_570x380_2x_26fbe08c-0006-46c2-a668-0e7590314406.jpg?v=1658854467"},{"product_id":"cgem-ii-eq-mount","title":"Celestron CGEM II EQ Mount and Tripod","description":"\u003cul\u003e\n\u003cli\u003e40 lbs payload capacity\u003c\/li\u003e\n\u003cli\u003eDual-fit Vixen\/CG-5 and Losmandy\/CGE dovetail saddle\u003c\/li\u003e\n\u003cli\u003e2\" steel legs with height index marks for quick leveling\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 port on hand control for direct links to a PC via ASCOM supported software.\u003c\/li\u003e\n\u003cli\u003eInternal cabling throughout for worry-free remote operation\u003c\/li\u003e\n\u003cli\u003eLow cog DC Servo motor with integrated optical encoders offer smooth, quiet operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in polar alignment program to polar align on any star in the sky\u003c\/li\u003e\n\u003cli\u003eLonger clutch levers to make tightening and loosening of clutches easier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA fresh update to the venerable CGEM mount, the CGEM II has a contemporary, attractive, bold appearance and is capable of carrying Celestron’s higher-end SCT optical tubes (up to 11\") securely and vibration free, which is ideal for both imaging and visual observing. Capable of holding 40 lbs. of payload and slewing at 5° per second, you will be able to instantly point to any of the celestial objects in the database.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eERGONOMIC DESIGN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCGEM II was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINNOVATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CGEM II series features Celestron’s innovative All-Star Polar alignment procedure. All-Star allows you to accurately polar align the mount using any star, even ig the celestial pole cannot be seen. Another great feature of the CGEM II sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor objects near the Meridian (imaginary line passing from North to South), the CGEM II will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM II mount has a robust database with over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. Celestron's CGEM II mount is the perfect fit between the Advanced VX Series and CGX Series.\u003c\/p\u003e\n\u003ch4\u003eComputerized Mount Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e40 lbs payload capacity\u003c\/li\u003e\n\u003cli\u003eDual-fit Vixen\/CG-5 and Losmandy\/CGE dovetail saddle\u003c\/li\u003e\n\u003cli\u003e2\" steel legs with height index marks for quick leveling\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 port on hand control for direct links to a PC via ASCOM supported software.\u003c\/li\u003e\n\u003cli\u003e40,000 object database with over 100 user-definable objects and expanded information on over 200 objects\u003c\/li\u003e\n\u003cli\u003eInternal cabling throughout for worry-free remote operation\u003c\/li\u003e\n\u003cli\u003eLow cog DC Servo motor with integrated optical encoders offer smooth, quiet operation\u003c\/li\u003e\n\u003cli\u003eAble to track past the meridian allowing seamless imaging\u003c\/li\u003e\n\u003cli\u003ePermanent periodic error corrections allow users to train out the worm gears periodic errors once, while the mount retains the PEC recordings.\u003c\/li\u003e\n\u003cli\u003eSoftware Features include: Mount Calibration, Database Filter Limits, Hibernate, five Alignment Procedures, and user-defined slew limits\u003c\/li\u003e\n\u003cli\u003eBuilt-in polar alignment program to polar align on any star in the sky\u003c\/li\u003e\n\u003cli\u003eLonger clutch levers to make tightening and loosening of clutches easier\u003c\/li\u003e\n\u003cli\u003eCustom database lists of all the most famous deep-sky objects by name and catalog number\u003c\/li\u003e\n\u003cli\u003eSolar System alignment method allows to view the moon and planets during the day\u003c\/li\u003e\n\u003cli\u003eCustom Rate 9 feature allows to set maximum slew rate\u003c\/li\u003e\n\u003cli\u003eTandem mode allows to star align the mount even when positioned for tandem scope use\u003c\/li\u003e\n\u003cli\u003eRS-232 communication port on hand control to control the telescope via a personal computer\u003c\/li\u003e\n\u003cli\u003eIncludes NexRemote telescope control software, for advanced control of telescope via computer\u003c\/li\u003e\n\u003cli\u003ePrecision machined 40 mm diameter steel Polar shafts supported by multiple tapered roller bearings and ball bearings\u003c\/li\u003e\n\u003cli\u003eGPS-compatible with optional SkySync GPS Accessory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328435007624,"sku":"91523","price":2099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/91523_CGEM_II_01.jpg?v=1721931251"},{"product_id":"cgx-equatorial-mount-and-tripod","title":"CGX Equatorial Mount and Tripod","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased load capacity to 55 lb\u003c\/li\u003e\n\u003cli\u003eHeavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads\u003c\/li\u003e\n\u003cli\u003eSpring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh\u003c\/li\u003e\n\u003cli\u003eInternal cabling for worry-free remote operation. Power input and accessory ports remain stationary while the mount slews to avoid snags\u003c\/li\u003e\n\u003cli\u003eControl software developed in conjunction with PlaneWave Instruments for professional level control operation and imaging\u003c\/li\u003e\n\u003cli\u003eAdjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3°-65° latitude range\u003c\/li\u003e\n\u003cli\u003e2\" steel legs with height index marks for quick leveling\u003c\/li\u003e\n\u003cli\u003eTwo handles for easy pickup and transport\u003c\/li\u003e\n\u003cli\u003eErgonomically designed dovetail clamping knobs\u003c\/li\u003e\n\u003cli\u003eErgonomic latitude adjuster for smooth and easy adjustment under full loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor eight years, Celestron’s workhorse CGEM mount lineup has been the German Equatorial backbone for telescopes ranging from 6 to 11 inches of aperture. Since that time, many more astro-imagers and planetarium controlled setups have emerged as backyard telescope technology has evolved. Celestron’s engineering team applied their years of experience designing German Equatorial mounts to the all-new CGX EQ, a culmination of all the advancements made to our technologies, value, and ease-of-use.\u003c\/p\u003e\n\u003cp\u003eThe  CGX was designed to better support your telescope for both visual and astro-imaging pursuits. Key design goals included a lower profile EQ head, which provides a more compact and therefore more stable setup; a better drive system; remote operation-friendly with home and limit optical sensors; easier polar alignment adjustments; and better cable management. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and transport. The CGX is our Equatorial backbone to support a wide range of telescopes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCGX Mount and Tripod Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSturdier and more rigid with quicker dampening time\u003c\/li\u003e\n\u003cli\u003eIncreased load capacity to 55 lbs.\u003c\/li\u003e\n\u003cli\u003eImproved motors provide more torque, better slewing and tracking under heavy loads\u003c\/li\u003e\n\u003cli\u003eHeavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-_SmootherBelt-DriveSystem_-_insert.jpg?9670580484449335621\" alt=\"Smootherbelt Drivesystem\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh\u003c\/li\u003e\n\u003cli\u003eInternal cabling for worry-free remote operation. Power input and accessory ports remain stationary while the mount slews to avoid snags\u003c\/li\u003e\n\u003cli\u003eInternal hard stops for both axes prevents cable tension and tripod strike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-Mechanical-Hard-Stops-insert.jpg?9670580484449335621\" alt=\"Mechanical Hard Stops\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInternal optical sensors on both axes for simple and safe remote operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-Home-and-Limit-sensors-insert.jpg?9670580484449335621\" alt=\"Home And Limit Sensors\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHome sensors allow the mount to always start in the index position regardless of orientation before a power reset\u003c\/li\u003e\n\u003cli\u003eLimit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe\u003c\/li\u003e\n\u003cli\u003eControl software developed in conjunction with PlaneWave Instruments for professional level control operation and imaging\u003c\/li\u003e\n\u003cli\u003eSoftware includes multi-point mount modeling for extremely precise pointing accuracy and many more additional features for remote astroimaging\u003c\/li\u003e\n\u003cli\u003eWider tripod stance for improved stability\u003c\/li\u003e\n\u003cli\u003eAdjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3°-65° latitude range\u003c\/li\u003e\n\u003cli\u003eDual-fit CG-5\/Vixen and CGE\/Losmandy dovetail saddle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-Dual-Dovetail-Saddle-insert.jpg?9670580484449335621\" alt=\"Dual Dovetail Saddle\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eImproved tripod includes:\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2\" steel legs with height index marks for quick leveling\u003c\/li\u003e\n\u003cli\u003e\"Jack of all trays\" can hold three 1.25\" eyepieces, two 2\" eyepieces, your smartphone, or other accessories\u003c\/li\u003e\n\u003cli\u003e+20° of additional tracking past the meridian on either side\u003c\/li\u003e\n\u003cli\u003eTripod legs can be collapsed with accessory tray installed for faster setup and transport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-tripod_inset-images_banner_432x132-insert.jpg?9670580484449335621\" alt=\"Tripod\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eImproved ergonomics:\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo handles for easy pickup and transport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-Ergonomic-Carry-Handles-insert.jpg?9670580484449335621\" alt=\"Ergonomic Carry Handles\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomically designed dovetail clamping knobs\u003c\/li\u003e\n\u003cli\u003eInnovative and improved polar alignment adjustment system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-Polar-alignment-adjustment-system-insert.jpg?9670580484449335621\" alt=\"Polar Alignment Adjustment System\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomic latitude adjuster for smooth and easy adjustment under full loads\u003c\/li\u003e\n\u003cli\u003eOptional add-on polar axis finderscope\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eElectronics\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNexStar+ hand control with USB port\u003c\/li\u003e\n\u003cli\u003eTwo AUX accessory ports to support wireless\/WiFi alignment and operation with StarSense AutoAlign and SkyPortal WiFi Module accessories (sold separately)\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 port, used to connect directly to PC with included software\u003c\/li\u003e\n\u003cli\u003eAutoguider port\u003c\/li\u003e\n\u003cli\u003ePPEC ready\u003c\/li\u003e\n\u003cli\u003eThreaded 12VDC power input barrel connector\u003c\/li\u003e\n\u003cli\u003eInternal Real Time Clock (keeps time and site information saved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328435040392,"sku":"91530","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/91530_CGX_Mount_1.jpg?v=1721933585"},{"product_id":"cgx-l-equatorial-mount-and-tripod","title":"CGX-L Equatorial Mount and Tripod","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eKey design goals included larger 144mm diameter worm wheels which provide smoother operation and can more accurately drive heavier loads, longer 270mm dovetail saddle to support larger optical tubes, remote operation friendly features such as home and limit optical sensors, easier polar alignment adjustments, and better cable management overall. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and easier to transport. COMPACT. ERGONOMIC. INNOVATIVE.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e- Increased 75 lb load capacity. Exceptional load capacity to weight ratio\u003c\/li\u003e\n\u003cli\u003e- Additional Aux accessory ports and autoguider port on the Dec axis for better cable management\u003c\/li\u003e\n\u003cli\u003e- Larger 144 mm diameter worm wheels to better and more accurately drive heavier loads\u003c\/li\u003e\n\u003cli\u003e- Longer 270 mm dovetail saddle to better support larger optical tubes\u003c\/li\u003e\n\u003cli\u003e- Massive 70 mm stainless steel tripod legs with a wider stance for improved stability under heavy loads\u003c\/li\u003e\n\u003cli\u003e- New accessory tray holds three 1.25” and two 2” eyepieces with an upright stand for your smartphone or tablet\u003c\/li\u003e\n\u003cli\u003e- Heavy duty, 31.5 mm stainless steel counterweight shaft to support additional counterweights\u003c\/li\u003e\n\u003cli\u003e- Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh\u003c\/li\u003e\n\u003cli\u003e- Internal cabling for worry-free remote operation. Power input and lower accessory ports remain stationary while the mount slews to avoid snags\u003c\/li\u003e\n\u003cli\u003e- Includes Celestron's new PWI telescope control software, co-developed by \u003ca href=\"https:\/\/www.celestron.com\/pages\/celestron-pwi-telescope-control-software\"\u003ePlaneWave Instruments\u003c\/a\u003e. Software features multi-point mount modeling for extremely precise pointing accuracy\u003c\/li\u003e\n\u003cli\u003e- Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3°-65° latitude range\u003c\/li\u003e\n\u003cli\u003e- Integrated handles for easy transport and portability\u003c\/li\u003e\n\u003cli\u003e- All-new ergonomically designed dovetail clamping knobs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328435073160,"sku":"91531","price":4799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/91531_cgx-l_mount_01_570x380_2x_d0321121-72ed-4779-bdc6-9a92a9e6f62f.jpg?v=1581752467"},{"product_id":"piggyback-mount-all-celestron-scts","title":"Piggyback Mount - All Celestron SCTs","description":"\u003cp\u003eAllows camera to be piggybacked on top of a Celestron SCT. Uses standard 1\/4\"-20 tripod mount screw.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328436482184,"sku":"93609","price":43.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/piggyback_celestron_hi_3_6.gif?v=1581752512"},{"product_id":"hd-pro-wedge","title":"HD Pro Wedge","description":"\u003cp\u003eCelestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11\". The HD Pro provides a heavy duty, stable platform that is perfect for astroimaging and guarantees minimal vibration. A low latitude range of 0-90 degrees makes this wedge functional for use at the equator. Built-in features include altitude\/azimuth adjustment controls with oversized knobs attached for easy polar alignment, a hand control holder that provides the option of placing on the wedge or the fork arm, a tilt plate for easier mounting of the telescope by simply rotating the scope onto the wedge, and a large 14 mm diameter latitude adjustment screw to add strength and stability while supplying less vibration and easier rotation with a heavy telescope.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e14mm Diameter Latitude Adjustment Screw - Adds strength and stability. Does not flex or bend providing less vibration and making it easier to rotate a heavy telescope.\u003c\/li\u003e\n\u003cli\u003e0-90 Degree Latitude Range - Low latitude range, perfect for use at the equator.\u003c\/li\u003e\n\u003cli\u003eBuilt-in Hand Control Holder - Allows user to place the hand control on the wedge or fork arm. Hand control won't fall off when fork arm is angled towards the ground.\u003c\/li\u003e\n\u003cli\u003eTilt Plate - Recesses to fit base of telescope and base of scope drops into place just by rotating. Mounting telescope on wedge becomes easier.\u003c\/li\u003e\n\u003cli\u003eHeavy Duty Side Plates - More rigid with more material provides less vibration while imaging.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":32328436646024,"sku":"93664","price":539.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/93664_cpcheavydutywed_large_1.jpg?v=1722543982"},{"product_id":"cgem-pier-adapter-kit","title":"CGEM Pier Adapter Kit","description":"\u003cp\u003eLooking to permanently mount your CGEM telescope? You'll want this adapter kit to easily attach the CGEM equatorial mount to a permanent pier.\u003c\/p\u003e\n\u003cp\u003eThe top plate of the adapter kit is designed similar to the original CGEM tripod top. It has a cylindrical recess to accept the mounting post on the bottom of the CGEM mount head. An included bolt is used to secure the mount to the adapter plate in a similar fashion to how the CGEM normally bolts to the tripod. There is also a pre-drilled hole on the top adapter plate to accept the azimuth-adjustment post. (The post from the original tripod is used on the adapter kit.)\u003c\/p\u003e\n\u003cp\u003eThree stand-off posts keep the top plate clear of the pier itself, allowing easy mounting and adjustment of the CGEM. The posts are each 1\" in diameter and provide 4\" of clearance.\u003c\/p\u003e\n\u003cp\u003eThe bottom plate is designed to attach to a pier with three bolts. Three 1\/2\" bolt holes are provided in the bottom plate, between the stand-off posts.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7\" diameter\u003c\/li\u003e\n\u003cli\u003e6\" total height\u003c\/li\u003e\n\u003cli\u003e1\/2\" thick bottom plate\u003c\/li\u003e\n\u003cli\u003e1-5\/8\" thick top plate\u003c\/li\u003e\n\u003cli\u003eAnodized aluminum construction\u003c\/li\u003e\n\u003cli\u003eStainless steel hardware\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eBase Plate Dimensions for Mounting\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cgem_pier_baseplate_dimensions.jpg?v=1611703693\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cgem_pier_baseplate_dimensions.jpg?v=1611703693\" width=\"70%\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cbr\u003e","brand":"Starizona","offers":[{"title":"Default Title","offer_id":32328458698888,"sku":"CGEM-PAK","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/u8j5112_2.jpg?v=1581753111"},{"product_id":"cgx-pier-adapter-kit","title":"CGX \/ CGX-L Pier Adapter Kit","description":"\u003cp\u003eThree stand-off posts keep the top plate clear of the pier itself, allowing easy mounting and adjustment of the CGX. The posts are each 1\" in diameter and provide 4\" of clearance. \u003cbr\u003e\u003cbr\u003eThe bottom plate is designed to attach to a pier with three bolts. Three 1\/2\" bolt holes are provided in the bottom plate, between the stand-off posts.\u003c\/p\u003e\n\u003cp\u003e* \u003cmeta charset=\"utf-8\"\u003eDue to manufacturing times our pier adapters could take up to 2 weeks after your purchase to ship. This is not expected, but slight delays are possible if we receive higher-than-expected volume of orders. If you have any questions regarding when your order will ship feel free to call or \u003ca href=\"mailto:info@starizona.com\"\u003eemail\u003c\/a\u003e Starizona.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBase Plate Dimensions for Mounting\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/CGX_Pier_Dims_480x480.jpg?v=1635878394\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/CGX_Pier_Dims_480x480.jpg?v=1635878394\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Starizona","offers":[{"title":"Top + Bottom Pier Kit","offer_id":40314408403106,"sku":"CGX-PAK-1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Top Plate Only","offer_id":40314408435874,"sku":"CGX-PAK-Top-Only","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/img_0564.jpg?v=1581753113"},{"product_id":"twilight-i-adjustable-head-mount-and-tripod","title":"Twilight I Adjustable Head Mount and Tripod","description":"\u003cp\u003eThe Twilight I is a light-to-medium-duty alt-azimuth mount and tripod designed to quickly and easily accept small to medium sized refractors, such as the AR102 or ED102mm, and of course, the ED80mm. Lightweight, fast Newtonians will also match up nicely with the Explore Scientific Twilight I mount. As long as your telescope does not exceed 18 pounds and has a Vixen-Style Universal Dovetail bar for mounting the telescope to the mount head, you are good to go.\u003c\/p\u003e\n\u003cp\u003eThe Twilight I alt-azimuth mount head is made of powder-coated aluminum and there are worm gears on both axis. The adjustable angle head can be tilted forward or back at a 45° angle to allow more clearance for your telescope so you can point it straight up for viewing at the zenith.\u003c\/p\u003e\n\u003cp\u003eSlow-motion control cables are attached on the vertical and horizontal axis, and are easy to turn during the night, even with gloves on, due to the over-sized knurled knobs that are attached to the end of each cable. They can be attached to either side of each axis to accommodate right or left-handed users, or different types of telescopes (e.g. refractors vs. Newtonian reflectors) for ease of adjustment.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel tripod that comes standard with the Twilight I mount has adjustable legs and a wide foot print of 42 inches, which makes the tripod more stable. A spreader bar locks against the inside of the legs to secure the tripod even further, and keep vibrations to a minimum.\u003c\/p\u003e\n\u003cdiv class=\"spanrow\"\u003e\u003cspan class=\"speccell speccell-left\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlt-Azimuth Telescope Mount\u003c\/li\u003e\n\u003cli\u003ePayload capacity of 15 lbs.\u003c\/li\u003e\n\u003cli\u003eUses Vixen-style dovetail bracket\u003c\/li\u003e\n\u003cli\u003e52\" from floor to dovetail bracket (at full extension)\u003c\/li\u003e\n\u003cli\u003eWeighs approx. 10 lbs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":32328485306504,"sku":"MAZ01-00","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/twilight_i_mount_hi_3_2.jpg?v=1581753757"},{"product_id":"sky-watcher-star-adventurer-astro-package","title":"Sky-Watcher Star Adventurer 2i Astro Package","description":"\u003cdiv class=\"pdp-short-description\"\u003e\n\u003cul\u003e\n\u003cli\u003eStar Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control \u003c\/li\u003e\n\u003cli\u003e11-pound payload capacity \u003c\/li\u003e\n\u003cli\u003eDec bracket included \u003c\/li\u003e\n\u003cli\u003eBuilt-in polar scope with illuminator with LED lit polar alignment sight \u003c\/li\u003e\n\u003cli\u003eFree Star Adventurer Console control app (for iOS and Android) for photographing the night sky, deep space, and landscape \u003c\/li\u003e\n\u003cli\u003e3.63-pound mount head weight (with Dec bracket) \u003c\/li\u003e\n\u003cli\u003eAll-metal gearing \u003c\/li\u003e\n\u003cli\u003e24 hours of continuous use with two AA batteries or limitless power via 5V mini-USB \u003c\/li\u003e\n\u003cli\u003eBuilt-in SNAP port for camera control \u003c\/li\u003e\n\u003cli\u003eDual 3\/8-inch thread panoramic plate with included ¼-20-inch adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNow With Wi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher Star Adventurer 2i is a user-friendly and multi-function mount to satisfy all your needs for astronomy, astrophotography, and time-lapse photography. It is a high precision, portable and stable celestial tracking platform for sidereal, solar, and lunar tracking with automatic DSLR shutter release control. Using a Wi-Fi signal to connect to your phone, the Star Adventurer 2i contains preprogrammed long exposures, helping you create mesmerizing time-lapse videos with your DSLR.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAward Winning Images\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSky-Watcher’s extremely popular family of star tracker mounts have helped revolutionize the lightweight astrophotography market making it easier and less expensive to enter into what can be a very challenging hobby. Time and again, Star Adventurer leads the pack of lightweight astroimaging mounts and helps photographers produce award-winning landscape and deep space images and stirring time-lapse videos of the night sky.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Integration with Any Tripod\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe declination assembly uses a specialized Vixen-style saddle plate for attaching cameras, tripod heads, or optical tubes. Attaching a ball head to this Vixen style plate provides most users with enough flexibility to point their camera around the sky freely while maintaining tracking. The Star Adventurer tracking platform can attach to a tripod using a 3\/8-inch thread socket and includes an adapter for ¼-20-inch thread sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Shutter Release Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo need for an intervelometer timer with the Star Adventurer 2i! With completely programable shutter exposure settings, the 2i can trigger a DSLR using the auxiliary shutter release cable. Once the camera is plugged into the mount and a shot is fired, it will continually shoot for the programed exposures until the cable is removed.\u003c\/p\u003e\n\u003cp\u003eWith a payload capacity of 5kg (11 pounds), the Star Adventurer 2i is exceptional for nightscape, deep space, and time lapse photographers looking to master the entire sky utilizing every lens in their tool kit.\u003c\/p\u003e\n\u003cp\u003eThe Astro Package includes the Star Adventurer 2i mount, polar scope illuminator, and Dec bracket. Optional EQ base is available. \u003cstrong\u003eOTA, tripod, ball head adapter, and counterweight kit are not included.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496054408,"sku":"S20510","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/S20510_StarAdventurer2i_Astro_RightFront_NoBackground_1800x1800_9e4eeaa4-3edf-4e98-a8b8-8e5e3662ec5b.jpg?v=1667075084"},{"product_id":"sky-watcher-star-adventurer-photo-package","title":"Sky-Watcher Star Adventurer 2i Photo Package","description":"\u003cdiv class=\"pdp-short-description\"\u003e\n\u003cdiv class=\"pdp-short-description\"\u003e\n\u003cul\u003e\n\u003cli\u003eStar Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control \u003c\/li\u003e\n\u003cli\u003e11-pound payload capacity \u003c\/li\u003e\n\u003cli\u003eBall head adapter included \u003c\/li\u003e\n\u003cli\u003eBuilt-in polar scope with illuminator with LED lit polar alignment sight \u003c\/li\u003e\n\u003cli\u003eFree Star Adventurer Console control app (for iOS and Android) for photographing the night sky, deep space, and landscape \u003c\/li\u003e\n\u003cli\u003e2.69-pound mount head weight (with ball head adapter)\u003c\/li\u003e\n\u003cli\u003eAll-metal gearing \u003c\/li\u003e\n\u003cli\u003e24 hours of continuous use with two AA batteries or limitless power via 5V mini-USB \u003c\/li\u003e\n\u003cli\u003eBuilt-in SNAP port for camera control \u003c\/li\u003e\n\u003cli\u003eDual 3\/8-inch thread panoramic plate with included ¼-20-inch adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNow With Wi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher Star Adventurer 2i is a user-friendly and multi-function mount to satisfy all your needs for astronomy, astrophotography, and time-lapse photography. It is a high precision, portable and stable celestial tracking platform for sidereal, solar, and lunar tracking with automatic DSLR shutter release control. Using a Wi-Fi signal to connect to your phone, the Star Adventurer 2i contains preprogrammed long exposures, helping you create mesmerizing time-lapse videos with your DSLR.\u003c\/p\u003e\n\u003cp\u003eCamera, tripod, and optical tube are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAward Winning Images\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSky-Watcher’s extremely popular family of star tracker mounts have helped revolutionize the lightweight astrophotography market making it easier and less expensive to enter into what can be a very challenging hobby. Time and again, Star Adventurer leads the pack of lightweight astroimaging mounts and helps photographers produce award-winning landscape and deep space images and stirring time-lapse videos of the night sky.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Integration with Any Tripod\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe declination assembly uses a specialized Vixen-style saddle plate for attaching cameras, tripod heads, or optical tubes. Attaching a ball head to this Vixen style plate provides most users with enough flexibility to point their camera around the sky freely while maintaining tracking. The Star Adventurer tracking platform can attach to a tripod using a 3\/8-inch thread socket and includes an adapter for ¼-20-inch thread sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Shutter Release Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo need for an intervelometer timer with the Star Adventurer 2i! With completely programable shutter exposure settings, the 2i can trigger a DSLR using the auxiliary shutter release cable. Once the camera is plugged into the mount and a shot is fired, it will continually shoot for the programed exposures until the cable is removed.\u003c\/p\u003e\n\u003cp\u003eWith a payload capacity of 5kg (11 pounds), the Star Adventurer 2i is exceptional for nightscape, deep space, and time lapse photographers looking to master the entire sky utilizing every lens in their tool kit.\u003c\/p\u003e\n\u003cp\u003eThe Photo Package includes the Star Adventurer 2i mount, polar scope illuminator, and ball head adapter. Optional EQ base is available. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496087176,"sku":"S20520","price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/S20520_StarAdventurer2i_Photo_RightFront_NoBackground_1800x1800_27dce049-f684-45d7-83b9-053000037e54.jpg?v=1667075190"},{"product_id":"sky-watcher-star-adventurer-latitude-eq-base","title":"Sky-Watcher Star Adventurer Latitude (EQ) Base","description":"\u003cp\u003eLatitude (EQ) Base for Star Adventurer mount.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496119944,"sku":"S20530","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/S20530_EquatorialWedge_1800x1800_1873b832-bc4c-43f4-81f3-f44e820f10c3.jpg?v=1722721263"},{"product_id":"sky-watcher-az-eq5-mount","title":"Sky-Watcher AZ-EQ5 Mount","description":"\u003cul\u003e\n\u003cli\u003e30-pound payload capacity handles most mid-range OTAs\u003c\/li\u003e\n\u003cli\u003eGerman equatorial\/Alt-Az\/dual-OTA mode\u003c\/li\u003e\n\u003cli\u003ePermanent periodic error correction (PPEC)\u003c\/li\u003e\n\u003cli\u003eBelt drive delivers super smooth PE curve with low backlash and silent slewing\u003c\/li\u003e\n\u003cli\u003eRetractable counterweight bar and counterweight extension bar included\u003c\/li\u003e\n\u003cli\u003e+\/- 5 arcseconds native periodic error\u003c\/li\u003e\n\u003cli\u003eDual SNAP shutter release ports for batch exposures of astrophotos\u003c\/li\u003e\n\u003cli\u003eMotor controller with high torque and accuracy\u003c\/li\u003e\n\u003cli\u003eIncludes two V-style saddles for mounting dual OTAs\u003c\/li\u003e\n\u003cli\u003eDual encoders with Freedom Find™ technology via dual encoders allowing for manual control without alignment loss\u003c\/li\u003e\n\u003cli\u003eTwo 7.5-pound counterweights\u003c\/li\u003e\n\u003cli\u003eSecure-fit power supply connections\u003c\/li\u003e\n\u003cli\u003ePolar alignment with optional polarscope\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eVersatile, Lightweight, and Astonishingly Accurate\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe AZ-EQ5 hybrid mount epitomizes Sky-Watcher’s commitment to innovation. Part Alt-Az mount, part German equatorial, the AZ-EQ5 is Sky-Watcher’s most versatile mount. Capable of aligning in either Alt-Az for casual observing, equatorial for serious astrophotography, or dual-OTA mode for astronomy outreach with twice the impact. With all this versatility, the AZ-EQ5 is ideal for the beginner astronomer who may want to try their hand at astrophotography, the seasoned pro imager, and educators passionate about sharing the night sky at events or in their community.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFreedom Find™ Dual-Encoder System\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUnique to Sky-Watcher’s AZ-EQ5 is a patented dual-encoder motor system, Freedom Find™, which allows users to move the mount manually without losing alignment. Simply impossible for most mounts, the AZ-EQ5 uses a proprietary slip clutch system that keeps your alignment whether you slew by hand or use the hand controller. After moving to the new object (electronically or manually), the mount will start tracking automatically from its new position.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e42,000+ Object Database\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUsing our proprietary SynScan hand controller, the AZ-EQ5 provides a user-friendly interface with automatic slewing to over 42,000+ objects in the night sky. The hand controller can also connect to a computer (USB 2.0 adapter available), enabling PC control with most astronomy programs, including TheSkyX, Stellarium, and Starry Night.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWhisper-Quiet Motors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s belt drive system has a few advantages over mounts using traditional stepper gearing. Belt drive systems deliver nearly silent slewing and tracking, making for an evening free of obnoxious motor noises while delivering spot-on accuracy. Sky-Watcher’s belt driven stepper motor system reduces backlash by removing spur gears between the motor and the worm resulting in smoother tracking and less periodic error than mounts using servo motors. \u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePeriodic Error Correction Made Easy!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFor the astrophotographer looking to reduce periodic error, the SynScan hand controller has built-in PEC training that can be configured while in the field! Periodic error is best described as tiny back-and-forth oscillations of target stars. This motion usually goes unnoticed during visual observation, but during a long photographic exposure, can turn pinpoint stars into small streaks. Using Sky-Watcher’s built-in PEC training, astrophotographers can cut down on the problems caused by periodic error to get smoother tracking and better performance from an autoguider resulting in a sharper, more professional looking final image.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMaking Photography a SNAP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe AZ-EQ5 mount has built in DSLR interface with the ability to control two cameras at once. Using a built-in intervelometer timer, the SynScan hand controller can set up exposure length, number of frames taken and a ‘cool down’ period between each frame. Additionally, the SynScan hand controller can select up to eight different exposure combinations. No need to purchase an expensive cable release when Sky-Watcher SNAP ports include everything you’ll need to start shooting deep sky objects right out of the box.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eUse at Any Latitude\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThanks to the pier extension that sits between the mount head and tripod, the AZ-EQ5 can be polar aligned at almost any latitude. Most equatorial mounts have difficulty with polar alignment at lower latitudes due to the counterweight bar interfering with the tripod. The AZ-EQ5 bypasses this completely\u003cspan data-mce-fragment=\"1\"\u003e,\u003c\/span\u003e by using a sturdy pier extension to elevate the mount head away from the tripod legs. The pier extension creates enough clearance between the counterweight bar and tripod legs that the mount can be polar aligned at virtually any latitude, from Alaska to Ecuador to Tierra del Fuego.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eReady to Go, Out of the Box!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWhile most mounts leave you to purchase accessories on your own, Sky-Watcher includes plenty of accessories to get you started. In addition to the SynScan hand controller and the pier tripod, the AZ-EQ5 mount comes with two 7.5-pound counterweights and a counterweight extension bar, as well as an extra saddle for mounting a second scope for viewing in dual-OTA mode. The mount also includes two Canon EOS trigger cables for connecting your camera to the SNAP ports on the mount (optional Nikon and Sony cables are available). A polar finderscope is also included to assist with setup. The AZ-EQ5 also features a built-in USB port for firmware updates, but also allows computer control using various astronomy software suites.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496283784,"sku":"S30200","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/S30200_AZ-EQ5_Hero_1800x1800_5fce45b5-344a-4af1-b073-f80a96ec6082.jpg?v=1715202410"},{"product_id":"sky-watcher-eq6-r-pro-computerized-equatorial-mount","title":"Sky-Watcher EQ6-R Pro Computerized Equatorial Mount","description":"\u003cdiv class=\"pdp-content-description rte active\" data-pdp-tab-content=\"description\"\u003e\n\u003ch4\u003eAn Astrophotography Powerhouse\u003c\/h4\u003e\n\u003cp\u003eThe EQ6-R boasts a number of features to aid astrophotographers. The built in ST-4 Autoguider port turns this mount into an astrophotography powerhouse, allowing you to utilize most of today’s best autoguiders. Using the integrated RS232 port, you can control the telescope from your computer and take advantage of today’s most advanced astronomy software. With a weight capacity of 44 lbs, the EQ6-R can handily support an optical tube, imaging accessories and camera.\u003c\/p\u003e\n\u003ch4\u003eSilent Yet Precise Slewing\u003c\/h4\u003e\n\u003cp\u003eThe EQ6-R Pro uses Stepper motors with a 1.8° step angle and 64 micro steps driven. Stepper motors are quieter than servo motors, providing accuracy up to 1 arc minute without waking your neighbors from buzzing motors.\u003c\/p\u003e\n\u003ch4\u003e42,000 Object Database\u003c\/h4\u003e\n\u003cp\u003eUsing our proprietary SynScan hand controller, the EQ6-R Pro provides a user-friendly interface with automatic slewing to over 42,000 objects in the night sky. The hand controller can also connect to a computer using the supplied RS232 cable (USB adapter available), enabling computer control with most astronomy programs. For the astrophotographers looking to reduce Periodic Error, the SynScan hand controller has built in PEC training that can be configured while in the field!\u003c\/p\u003e\n\u003ch4\u003eFlexible Polar Alignment\u003c\/h4\u003e\n\u003cp\u003eSky-Watcher includes an illuminated polar finderscope to aid the polar alignment process. The finderscope features a circular grid reticle for the northern hemisphere, consistent with todays popular polar alignment apps. For astronomers in the southern hemisphere, the constellation Octans is built into the reticle as well. Even without a clear view of Polaris, the EQ Pro can be polar aligned using our SynScan hand controller. Simply choose one of the visible stars listed and use the latitude adjustment screws to center it in the eyepiece.\u003c\/p\u003e\n\u003ch4\u003eBundle of Accessories\u003c\/h4\u003e\n\u003cp\u003eAs customary with all Sky-Watcher products, an assortment of accessories are included with the EQ Pro mount. A retractable counterweight bar is supplied, allowing for easier transportation as well as two 11-lb counterweights are included to help balance any payload. The EQ Pro features a saddle compatible with both D and V style mounting plates, granting users the flexibility to utilize multiple optical tubes, even if the mounting plate is different.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496316552,"sku":"S30300","price":1899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/01_EQ6-R_Main_1800x1800_17fa5060-d69e-4605-9198-fdeebcebfb45.jpg?v=1658854596"},{"product_id":"sky-watcher-eq8-r","title":"Sky-Watcher EQ8-R Mount Head Only with Counterweights","description":"Because these mounts are observatory class we are offering them in two configurations. For the field imager both mounts include the mount head, two 22 pound weights and a heavy-duty portable pier. For those installing into an observatory, you can purchase the mount head and weights without the tripod.\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eEQ8-R \u0026amp; Rh features:\u003c\/b\u003e\u003cbr\u003e\n\u003cb\u003eHigh Payload capacity\u003c\/b\u003e\u003cbr\u003e\nThe EQ8-R series features a massive 110 pound payload capacity. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eBuilt-In cable management\u003c\/b\u003e\u003cbr\u003e\nCable management is an important part of the imaging experience. To aid in this the EQ8-R series features three collections of cable hubs built in below the mounting saddle. The mounts feature four USB 3.0 ports, three 2.1mm power ports and three serial cable ports. Plug all your imaging accessories into these ports and eliminate cable drag and snags from the equation. You can then plug one USB 3.0 cable and one power cable into the back of the RA housing to have a simple and clean set up free of hanging cables. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eHoming Sensors\u003c\/b\u003e\u003cbr\u003e\nThe EQ8-R and Rh series feature homing sensors on both the RA and Dec. axis. Homing sensors aid in alignment accuracy of the first star as the mount starts at an exact preset position every time. For remote imaging these sensors allow the mount to maintain alignment in case of power outages. Simply home the mount and the mount can pick up from it's previous alignment. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eBelt Drive\u003c\/b\u003e\u003cbr\u003e\nBoth the RA and Dec. motor assemblies drive the mount using ultra-smooth belt drives. This reduces the amount of gearing needed which in turn reduces backlash in the system and periodic error overall. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eSNAP Port\u003c\/b\u003e\u003cbr\u003e\nLike other Sky-Watcher mounts the EQ8-R series features a built-in SNAP port. This allows you to plug in your DSLR or mirrorless camera of choice and control the shutter through the hand controller. The camera will require the correct optional cable to make this connection. See our offering of SNAP cables at skywatcherusa.com. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003ePC Direct Connect\u003c\/b\u003e\u003cbr\u003e\nA built-in USB-B port is situated on the mount to allow a direct connection to your computer, no hand controller needed! Plug it in, power on the Sky-Watcher SynScan Pro app for Windows and take control of your mount. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eImproved Motor Placement\u003c\/b\u003e\u003cbr\u003e\nGrowing from the original EQ8, the EQ8-R series features improved motor positioning. This aids in balance of the mount, eliminating uneven side balance inherent in the previous design. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eEQ8-Rh On-Axis Encoder\u003c\/b\u003e (Only found on the Rh model)\u003cbr\u003e\nAdditionally, EQ8-Rh model also features an on-axis RA encoder. The Renishaw 11.8-million tick incremental encoder is mounted directly to the RA shaft of the mount. This virtually nearly eliminates Periodic Error during tracking and allows for extremely precise tracking and guiding for the most demanding astrophotographers. \u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eEQ8-R \u0026amp; Rh included items:\u003c\/b\u003e\u003cbr\u003e\nV5 SynScan hand controller\u003cbr\u003e\nSecure fit DC power cable \u003cbr\u003e\nTwo 22 lbs. counterweights\u003cbr\u003e\nCounterweight bar\u003cbr\u003e\nHeavy duty portable pier (with mount kit only)\u003cbr\u003e\nThree leveling\/vibration pads (with mount kit only)\u003cbr\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":32328496349320,"sku":"S30612","price":4999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/sky25.jpg?v=1581754048"},{"product_id":"sky-watcher-az-eq6-mount","title":"Sky-Watcher AZ-EQ6 Mount","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e44-pound payload capacity handles a large variety of OTAs\u003c\/li\u003e\n\u003cli\u003eGerman equatorial\/Alt-Az\/dual-OTA mode\u003c\/li\u003e\n\u003cli\u003ePermanent periodic error correction (PPEC)\u003c\/li\u003e\n\u003cli\u003e+\/- 5 arcseconds native periodic error\u003c\/li\u003e\n\u003cli\u003eBelt drive delivers super smooth PE curve with low backlash and silent slewing\u003c\/li\u003e\n\u003cli\u003eDual encoders with Freedom Find™ technology allow manual use of the mount without losing alignment\u003c\/li\u003e\n\u003cli\u003eSNAP shutter release control for batch exposures of astrophotos\u003c\/li\u003e\n\u003cli\u003eMotor controller with high torque and accuracy\u003c\/li\u003e\n\u003cli\u003eIncludes two D\/V-style saddles for mounting dual OTAs\u003c\/li\u003e\n\u003cli\u003eTwo 11-pound counterweights\u003c\/li\u003e\n\u003cli\u003eSecure-fit power supply connections\u003c\/li\u003e\n\u003cli\u003ePolar alignment with built-in illuminated polarscope\u003c\/li\u003e\n\u003cli\u003eRetractable counterweight bar and counterweight extension bar included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe AZ-EQ6 is the ultimate multi-role mount, blending the popularity of an EQ mount with the convenience of an Alt-Az mount. With its heavy duty 44-pound payload capacity, the AZ-EQ6 can handle a large variety of optical systems for both imaging and visual applications. In EQ mode the mount can be used for long exposure, deep sky imaging, while in Alt-Az mode it can be used for visual with one or even two telescopes with the addition of the secondary mounting saddle (included with the mount).\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBelt Drives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTo provide the best performance the AZ-EQ6 features ultra-quiet stepper motors and belt drives on both the RA and Dec axes. Belt drive reduces the number of gears used in the drive system which in turn reduces backlash. This allows the mount to track and guide with amazing precision.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFreedom Find™\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFor those looking for the ultimate visual tracking mount the AZ-EQ6 features Sky-Watcher's Freedom Find™ encoder system. These encoders are separate from the mount's GoTo system and allow you to disengage the clutches and manually move the mount around the sky without losing your initial alignment.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDual OTAs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe AZ-EQ6 can mount two separate optical systems. By mounting the included secondary mounting saddle to the end of the counterweight bar the AZ-EQ6 can be used in “dual-OTA mode”. The benefits of using two telescopes on the same target at the same time is useful when comparing or imaging with two different fields of view (narrow vs. wide). It’s also perfect for solar observation when using two different types of filters for safe observation of the Sun. Most importantly, dual-OTA mode is ideal for astronomy outreach and education to double the number of eyes at the scope and halve the wait time keeping rambunctious kids and frazzled parents engaged and excited about the cosmos.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePC Direct Connect\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFor an improved and simplified connection, the AZ-EQ6 features a built-in USB-B port on its side panel. This allows for easy connection to a PC computer and control through our Sky-Watcher SynScan Pro application available for PC.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003e42,000+ Object Database\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUsing our proprietary SynScan hand controller, the AZ-EQ6 Pro provides a user-friendly interface with automatic slewing to over 42,000+ objects in the night sky. For the astrophotographers looking to reduce periodic error, the SynScan hand controller has built-in PEC training that can be configured while in the field!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFlexible Polar Alignment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher includes an illuminated polar finderscope to aid the polar alignment process. The finderscope features a circular grid reticle for the Northern Hemisphere, consistent with today’s popular polar alignment apps. For astronomers in the Southern Hemisphere, the constellation Octans is built into the reticle as well. Even without a clear view of Polaris, the AZ-EQ6 Pro can be polar aligned using our SynScan hand controller. Simply choose one of the visible stars listed and use the latitude adjustment screws to center it in the eyepiece.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":34651600355490,"sku":"S30330","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Screenshot2021-12-13173348_1800x1800_0d5669c2-31ff-4e2c-a711-e38c7c1e3b0e.jpg?v=1722709777"},{"product_id":"sky-watcher-eq8-r-with-pier-tripod","title":"Sky-Watcher EQ8-R with Pier Tripod","description":"\u003cp\u003eBecause these mounts are observatory class we are offering them in two configurations. For the field imager both mounts include the mount head, two 22 pound weights and a heavy-duty portable pier. For those installing into an observatory, you can purchase the mount head and weights without the tripod.\u003c\/p\u003e\n\n\n\u003ciframe width=\"940\" height=\"529\" src=\"https:\/\/www.youtube.com\/embed\/ZBNIytspo24\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\n\n\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e \u003cb\u003eEQ8-R \u0026amp; Rh features:\u003c\/b\u003e\u003cbr\u003e \u003cb\u003eHigh Payload capacity\u003c\/b\u003e\u003cbr\u003e The EQ8-R series features a massive 110 pound payload capacity. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eBuilt-In cable management\u003c\/b\u003e\u003cbr\u003e Cable management is an important part of the imaging experience. To aid in this the EQ8-R series features three collections of cable hubs built in below the mounting saddle. The mounts feature four USB 3.0 ports, three 2.1mm power ports and three serial cable ports. Plug all your imaging accessories into these ports and eliminate cable drag and snags from the equation. You can then plug one USB 3.0 cable and one power cable into the back of the RA housing to have a simple and clean set up free of hanging cables. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eHoming Sensors\u003c\/b\u003e\u003cbr\u003e The EQ8-R and Rh series feature homing sensors on both the RA and Dec. axis. Homing sensors aid in alignment accuracy of the first star as the mount starts at an exact preset position every time. For remote imaging these sensors allow the mount to maintain alignment in case of power outages. Simply home the mount and the mount can pick up from it's previous alignment. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eBelt Drive\u003c\/b\u003e\u003cbr\u003e Both the RA and Dec. motor assemblies drive the mount using ultra-smooth belt drives. This reduces the amount of gearing needed which in turn reduces backlash in the system and periodic error overall. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eSNAP Port\u003c\/b\u003e\u003cbr\u003e Like other Sky-Watcher mounts the EQ8-R series features a built-in SNAP port. This allows you to plug in your DSLR or mirrorless camera of choice and control the shutter through the hand controller. The camera will require the correct optional cable to make this connection. See our offering of SNAP cables at skywatcherusa.com. \u003cbr\u003e\u003cbr\u003e \u003cb\u003ePC Direct Connect\u003c\/b\u003e\u003cbr\u003e A built-in USB-B port is situated on the mount to allow a direct connection to your computer, no hand controller needed! Plug it in, power on the Sky-Watcher SynScan Pro app for Windows and take control of your mount. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eImproved Motor Placement\u003c\/b\u003e\u003cbr\u003e Growing from the original EQ8, the EQ8-R series features improved motor positioning. This aids in balance of the mount, eliminating uneven side balance inherent in the previous design. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eEQ8-Rh On-Axis Encoder\u003c\/b\u003e (Only found on the Rh model)\u003cbr\u003e Additionally, EQ8-Rh model also features an on-axis RA encoder. The Renishaw 11.8-million tick incremental encoder is mounted directly to the RA shaft of the mount. This virtually nearly eliminates Periodic Error during tracking and allows for extremely precise tracking and guiding for the most demanding astrophotographers. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eEQ8-R \u0026amp; Rh included items:\u003c\/b\u003e\u003cbr\u003e V5 SynScan hand controller\u003cbr\u003e Secure fit DC power cable \u003cbr\u003e Two 22 lbs. counterweights\u003cbr\u003e Counterweight bar\u003cbr\u003e Heavy duty portable pier (with mount kit only)\u003cbr\u003e Three leveling\/vibration pads (with mount kit only)\u003cbr\u003e\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":37714418368674,"sku":"S30601","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/sky25_e52f6cd1-0e00-4fe1-82cd-d086707b2c10.jpg?v=1612292885"},{"product_id":"solarquest","title":"Sky-Watcher SolarQuest Mount","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp class=\"BasicParagraph\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe Sky-Watcher SolarQuest solar tracking mount is lightweight and ridiculously easy to use. No need to worry about aligning your equipment the night before or early in the morning. Using its patented HelioFind solar finder and built-in GPS, SolarQuest autolevels and calculates the azimuth and altitude of the sun, all with the single push of a button. Once self-aligned, the mount locates and tracks the sun for hours at a time. SolarQuest is perfect for eclipse chasers or anyone fascinated with our closest star.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSolarQuest is for solar observation only.\u003c\/strong\u003e \u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWeight Capacity: 11 lbs. \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003etotal weight: 8.9 lbs. \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower: 8 AA batteries (not supplied) or 12V with included adapter plate \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDovetail: V-style \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuilt-in GPS\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHelio-Find technology for auto location of the sun\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuilt-in 8-way joy stick for centering of the sun\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDC servo motors\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSlew Speeds: 16x and 1200x\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e3\/8 thread mounting hole\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdjustable aluminum tripod with accessory tray\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncluded tripod extension \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":37746399051938,"sku":"S21170","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/S21170_SolarQuest_Front_1800x1800_5cdf7580-52a9-412c-b7db-a7b3750fc0f3.jpg?v=1612570212"},{"product_id":"cgx-l-equatorial-mount-without-tripod","title":"CGX-L Equatorial Mount Without Tripod","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased 75 lb load capacity. Exceptional load capacity to weight ratio\u003c\/li\u003e\n\u003cli\u003eAdditional Aux accessory ports and autoguider port on the Dec axis for better cable management\u003c\/li\u003e\n\u003cli\u003eLarger 144mm diameter worm wheels to better and more accurately drive heavier loads\u003c\/li\u003e\n\u003cli\u003eLonger 270mm dovetail saddle to better support larger optical tubes\u003c\/li\u003e\n\u003cli\u003eHeavy duty, 31.5mm stainless steel counterweight shaft to support additional counterweights\u003c\/li\u003e\n\u003cli\u003eSpring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh\u003c\/li\u003e\n\u003cli\u003eInternal cabling for worry-free remote operation. Power input and lower accessory ports remain stationary while the mount slews to avoid snags\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable EQ head position to optimize center of gravity and fully utilize the increased 3°-65° latitude range\u003c\/li\u003e\n\u003cli\u003eIntegrated handles for easy transport and portability\u003c\/li\u003e\n\u003cli\u003eErgonomically designed dovetail clamping knobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCelestron's CGX-L Computerized Equatorial mount is the latest addition to our fully computerized equatorial mount series. Capable of carrying Celestron’s largest optical tubes with ease, CGX-L is designed for backyard observatories and remote imagers looking for exceptional load capacity to weight ratio, compact design, and innovative features that fully support large telescopes, imaging kits, and the latest in wireless tech accessories.\u003c\/p\u003e\n\u003cp\u003eKey design goals included larger 144mm diameter worm wheels which provide smoother operation and can more accurately drive heavier loads, longer 270mm dovetail saddle to support larger optical tubes, remote operation friendly features such as home and limit optical sensors, easier polar alignment adjustments, and better cable management overall. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and easier to transport. COMPACT. ERGONOMIC. INNOVATIVE.\u003c\/p\u003e\n\u003cdiv id=\"pdp-technology-accordion\" class=\"accordion is-active\"\u003e\n\u003cdiv class=\"tab-content js-accordion-content rte\"\u003e\n\u003ch4\u003eCGX-L FEATURES\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased 75 lb load capacity. Exceptional load capacity to weight ratio\u003c\/li\u003e\n\u003cli\u003eAdditional Aux accessory ports and autoguider port on the Dec axis for better cable management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Additional Ports\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-additional_ports-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarger 144mm diameter worm wheels to better and more accurately drive heavier loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Larger Worm Wheel\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-Larger-Worm-Wheel_432x144-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLonger 270mm dovetail saddle to better support larger optical tubes\u003c\/li\u003e\n\u003cli\u003eHeavy duty, 31.5mm stainless steel counterweight shaft to support additional counterweights\u003c\/li\u003e\n\u003cli\u003eOptional add-on \u003ca href=\"https:\/\/www.celestron.com\/products\/polar-axis-finderscope-for-cgx-and-cgx-l\"\u003epolar axis finderscope\u003c\/a\u003e custom designed for CGX and CGX-L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.celestron.com\/products\/polar-axis-finderscope-for-cgx-and-cgx-l\"\u003e\u003cimg alt=\"Polar Axis Finder\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-polar_axis_finder-insert.jpg?3096810873727709086\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports WiFi and wireless operation accessories such as \u003ca href=\"https:\/\/www.celestron.com\/products\/%E2%80%9Dhttps:\/\/www.celestron.com\/products\/starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e and \u003ca href=\"https:\/\/www.celestron.com\/products\/skyportal-wifi-module\"\u003eSkyPortal WiFi Module\u003c\/a\u003e (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMount Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompact, lower profile equatorial head provides improved stability and portability. Sturdier and more rigid with quicker dampening time\u003c\/li\u003e\n\u003cli\u003eImproved motors provide more torque, better slewing and tracking under heavy loads\u003c\/li\u003e\n\u003cli\u003eHeavy duty belt-drive system minimizes backlash while providing smooth motor operation at full capacity\u003c\/li\u003e\n\u003cli\u003eClear windows built into motor covers so pulleys and belts can be monitored\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Smootherbeltdrive\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-SmootherBeltDrive-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh\u003c\/li\u003e\n\u003cli\u003eInternal cabling for worry-free remote operation. Power input and lower accessory ports remain stationary while the mount slews to avoid snags\u003c\/li\u003e\n\u003cli\u003eInternal hard stops for both axes prevent cable tension and tripod strike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Mechanical Hard Stops 432X144\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-Mechanical-Hard-Stops_432x144-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInternal optical sensors on both axes for simple and safe remote operation\u003c\/li\u003e\n\u003cli\u003eHome sensors allow the mount to always start in the index position regardless of orientation before a power reset\u003c\/li\u003e\n\u003cli\u003eLimit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe\u003c\/li\u003e\n\u003cli\u003eIncludes Celestron's \u003ca href=\"https:\/\/www.celestron.com\/pages\/celestron-pwi-telescope-control-software\"\u003ePWI telescope control software\u003c\/a\u003e, co-developed by PlaneWave Instruments. Software features multi-point mount modeling for extremely precise pointing accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/celestron-pwi-telescope-control-software\"\u003e\u003cimg alt=\"PWI 432X144 N\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-PWI_432x144-insert.jpg?3096810873727709086\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoftware Polar Align: “All-Star Polar Alignment” allows quick and very precise polar alignment. Align on any bright named star without extra polar alignment accessories, apps, or other assistance\u003c\/li\u003e\n\u003cli\u003eAdjustable EQ head position to optimize center of gravity and fully utilize the increased 3°-65° latitude range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Dual Dovetail Saddle 432X144”\/\u0026gt;\u0026lt;\/p\u0026gt;\n\u0026lt;ul\u0026gt;\n\u0026lt;li\u0026gt;Dual-fit Vixen\/CG-5 and Losmandy\/CGE dovetail saddle\u0026lt;\/li\u0026gt;\n\u0026lt;li\u0026gt;+20° of additional tracking past the meridian on either side\u0026lt;\/li\u0026gt;\n\u0026lt;\/ul\u0026gt;\n\u0026lt;p\u0026gt;\u0026lt;img src=\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-Dual-Dovetail-Saddle_432x144-insert.jpg?3096810873727709086\" files=\"\" s=\"\" cdn.shopify.com=\"\" https:=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eImproved Ergonomics:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated handles for easy transport and portability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Ergonomic Carry Handles 432X144 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-Ergonomic-Carry-Handles_432x144-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomically designed dovetail clamping knobs\u003c\/li\u003e\n\u003cli\u003eInnovative and improved polar alignment adjustment system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Polar Alignment Adjustment\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L-Polar_ALignment_Adjustment-insert.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomic adjustment knobs with reduced friction for smooth and easy positioning under full loads. Stationary latitude knob with a linkage system greatly reduces the amount of friction when polar aligning the mount. Redesigned azimuth adjustment with low-friction Teflon bearings to make adjustments easy under full load. No more binding, rough adjustments!\u003c\/li\u003e\n\u003cli\u003eEasy to read latitude scale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectronics:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eNexStar+ hand control with USB port\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 port used to connect directly to PC with PWI Software\u003c\/li\u003e\n\u003cli\u003e2 available autoguider ports for optimum cable management\u003c\/li\u003e\n\u003cli\u003ePEC sensor and PPEC ready\u003c\/li\u003e\n\u003cli\u003eThreaded 12VDC power input barrel connector\u003c\/li\u003e\n\u003cli\u003eInternal Real Time Clock (keeps time and site information saved)\u003c\/li\u003e\n\u003cli\u003eOn\/Off rocker switch with red LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePrecision Tracking\u003c\/h4\u003e\n\u003cp\u003eThis image of M51 is the result several of 5 minute guided sub exposures. Taken with the Celestron EdgeHD 1400 with 0.7x Focal Reducer, guiding at 2,737mm under somewhat turbulent seeing conditions. Despite the seeing conditions, average guiding accuracy was sub-arcsecond. The CGX-L supports the 14” optical tube for high resolution astrophotography with ease.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"CGX M51\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/files\/CGX-L_Precision_Tracking_M51.jpg?3096810873727709086\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":37821245292706,"sku":"91532","price":3899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/91532__CGX-L_Mount_03.jpg?v=1723328812"},{"product_id":"avx-pier-adapter-kit","title":"AVX Pier Adapter Kit","description":"\u003cp\u003eLooking to permanently mount your AVX mount? You'll want this adapter kit to easily attach the AVX equatorial mount to a permanent pier.\u003c\/p\u003e\n\u003cp\u003eThe top plate of the adapter kit is designed similar to the original \u003cspan data-mce-fragment=\"1\"\u003eAVX\u003c\/span\u003e tripod top. It has a cylindrical recess to accept the mounting post on the bottom of the \u003cspan data-mce-fragment=\"1\"\u003eAVX\u003c\/span\u003e mount head. An included bolt is used to secure the mount to the adapter plate in a similar fashion to how the \u003cspan data-mce-fragment=\"1\"\u003eAVX\u003c\/span\u003e normally bolts to the tripod. There is also a pre-drilled hole on the top adapter plate to accept the azimuth-adjustment post. (The post from the original tripod is used on the adapter kit.)\u003c\/p\u003e\n\u003cp\u003eThree stand-off posts keep the top plate clear of the pier itself, allowing easy mounting and adjustment of the \u003cspan data-mce-fragment=\"1\"\u003eAVX\u003c\/span\u003e. The posts are each 1\" in diameter and provide 4\" of clearance.\u003c\/p\u003e\n\u003cp\u003eThe bottom plate is designed to attach to a pier with three bolts. Three 1\/2\" bolt holes are provided in the bottom plate, between the stand-off posts.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7\" diameter\u003c\/li\u003e\n\u003cli\u003e6\" total height\u003c\/li\u003e\n\u003cli\u003e1\/2\" thick bottom plate\u003c\/li\u003e\n\u003cli\u003e1-5\/8\" thick top plate\u003c\/li\u003e\n\u003cli\u003eAnodized aluminum construction\u003c\/li\u003e\n\u003cli\u003eStainless steel hardware\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eBase Plate Dimensions for Mounting\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cgem_pier_baseplate_dimensions_f82c1fb3-8535-46ad-a48f-6d637c35a71f_480x480.jpg?v=1631138230\" alt=\"\" data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Starizona","offers":[{"title":"Default Title","offer_id":40832943521954,"sku":"AVX-PAK","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/AVX_Pier1.jpg?v=1631139842"},{"product_id":"half-pier-for-gitzo-3-gitzo-4-l404c","title":"Half Pier for Gitzo 3, Gitzo 4, L404C","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eHalf pier compatible with Gitzo Systemetic 3 Series, 4 Series and Xiletu L404C tripods.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eMounts and half pier are tightened with two M8 knob bolts, making them more secure than one 3\/8 inch bolt.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe half pier adapter rotates 360 degrees for easy polar alignment.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eMaterial : Aluminum (AL6061)\u003cbr\u003eWeight : 1.3kg\u003c\/span\u003e\u003c\/p\u003e","brand":"RST","offers":[{"title":"Default Title","offer_id":40853554528418,"sku":"RST-HP-Gitzo3-4","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/HalfPier_Gitzo3.jpg?v=1631390445"},{"product_id":"cpc-pier-adapter-kit","title":"CPC Pier Adapter Kit","description":"\u003cp\u003eLooking to permanently mount your CPC telescope? You'll want this adapter kit to easily attach the CPC fork mount to a permanent pier.\u003c\/p\u003e\n\u003cp\u003eThe top plate of the adapter kit has holes for 3\/8\" bolts to match the hole pattern in the bottom of the CPC base. Three stand-off posts keep the top plate clear of the pier itself, allowing easy mounting of the bolts into the bottom of the CPC The posts are each 1\" in diameter and provide 4\" of clearance.\u003c\/p\u003e\n\u003cp\u003eThe bottom plate is designed to attach to a pier with three bolts. Three 1\/2\" bolt holes are provided in the bottom plate, between the stand-off posts.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8\" diameter top plate\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e7\" diameter bottom plate\u003c\/li\u003e\n\u003cli\u003e5\" total height\u003c\/li\u003e\n\u003cli\u003e1\/2\" thick top and bottom plates\u003c\/li\u003e\n\u003cli\u003eAnodized aluminum construction\u003c\/li\u003e\n\u003cli\u003eStainless steel hardware\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eBase Plate Dimensions for Mounting\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cgem_pier_baseplate_dimensions.jpg?v=1611703693\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cgem_pier_baseplate_dimensions.jpg?v=1611703693\" width=\"70%\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Starizona","offers":[{"title":"Default Title","offer_id":42548818837761,"sku":"CPC-PAK","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/IMG_4029.jpg?v=1646165400"},{"product_id":"sky-watcher-eqm-35-mount","title":"Sky-Watcher EQM-35 Mount","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGerman Equatorial heavy-duty tracking mount\u003c\/li\u003e\n\u003cli\u003e22-pound payload capacity supports small- to medium-sized OTAs\u003c\/li\u003e\n\u003cli\u003eHigh-precision hybrid stepper motors with 1.8° step angle and 64 micro steps\u003c\/li\u003e\n\u003cli\u003eCompatible with Star Adventurer dec L-bracket and ball head adapter\u003c\/li\u003e\n\u003cli\u003ePermanent periodic error correction (PPEC)\u003c\/li\u003e\n\u003cli\u003eDual- or single-axis tracking\u003c\/li\u003e\n\u003cli\u003ePolar alignment with built-in polarscope\u003c\/li\u003e\n\u003cli\u003ePC connection\u003c\/li\u003e\n\u003cli\u003eLarge 3.6-inch 180 tooth worm gear\u003c\/li\u003e\n\u003cli\u003eRemoveable dec assembly to convert to tracking mount\u003c\/li\u003e\n\u003cli\u003eIncludes two 7.5-pound counterweights\u003c\/li\u003e\n\u003cli\u003eImproved RA gear for increased stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe perfect entry-level EQ mount for those getting serious about astrophotography.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher EQM-35 provides a convenient, stable platform for refractors up to 100mm or up to 127mm Maksutovs. Designed as an imaging system, it also works astonishingly well for visual use. This mount is perfect for the beginner to intermediate astronomer looking to expand their craft into astrophotography.\u003c\/p\u003e\n\u003cp\u003eThe removable dec assembly allows for the use of Star Adventurer L-brackets or ball head adapters, turning the mount into a heavy-duty tracking system for your DSLR or mirrorless camera and wide-field imaging.\u003c\/p\u003e\n\u003cp\u003eIf you’re looking for a lightweight, stable mount that is precise and easy to use, the EQM-35 is it!\u003c\/p\u003e\n\u003c!----\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":42548923793665,"sku":"S30500","price":970.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/EQM35_2047963f-cd07-48a4-bf46-9c5b69532817.jpg?v=1646170685"},{"product_id":"star-adventurer-gti-head-kit","title":"Star Adventurer GTi Head Kit","description":"\u003cp\u003e\u003cspan style=\"color: #d24a18; font-size: 1.2em; display: block; text-align: center;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #d24a18; font-size: 1.2em; display: block; text-align: center;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; display: block; postition: relative; width: 100%; max-width: 560px; margin: 0 auto;\"\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ixtbnump-9I\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003cbr\u003e \u003cbr\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OzmloQA-K7I\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003cbr\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/rUY29PJSitE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cstrong\u003eFull GoTo Flexibility \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe whole of the sky is now available to you thanks to Star Adventurer GTi ́s full GoTo capabilities. Locating and tracking objects has never been easier\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cstrong\u003eFully Integrated Wi-Fi Controls And USB connection \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEasily control the mount with Wi-Fi through the SynScan Pro app or your computer via the built-in USB port\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in Polar Scope And Illuminator \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePre-aligned built-in illuminated polar scope provides easy alignment\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cstrong\u003eUltimate Portability \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeighing 5.7 pounds and only 9 inches long, it's the perfect travel companion for the astronomer on the go \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eFull GoTo performance in a portable Star Adventurer mount\u003c\/li\u003e\n\u003cli\u003eLightweight equatorial mount for deep space, widefield, and nightscape astrophotography\u003c\/li\u003e\n\u003cli\u003e11-pound payload capacity\u003c\/li\u003e\n\u003cli\u003eMultiple pre-programmed tracking rates including sidereal, solar, and lunar\u003c\/li\u003e\n\u003cli\u003eInterfaces: USB, autoguider (ST4), hand controller port*, and SNAP port for DSLR shutter control\u003c\/li\u003e\n\u003cli\u003eControl with your smartphone via Wi-Fi or with the optional SynScan hand controller\u003c\/li\u003e\n\u003cli\u003eBuilt-in illuminated polar scope for precise alignment\u003c\/li\u003e\n\u003cli\u003eDual counterweight positions for use at low latitudes\u003c\/li\u003e\n\u003cli\u003ePowered by eight AA batteries (not included) or external 12v power source\u003c\/li\u003e\n\u003cli\u003eV-style dovetail\u003c\/li\u003e\n\u003cli\u003eLifetime free firmware upgrades\u003c\/li\u003e\n\u003cli\u003e3\/8-inch tripod mount\u003c\/li\u003e\n\u003cli\u003eOptional ball head adapter and shutter release cables available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStar Adventurer GTi full GoTo mount head includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweight bar\u003c\/li\u003e\n\u003cli\u003e5-pound counterweight\u003c\/li\u003e\n\u003cli\u003eBuilt-in polar scope with illuminator\u003c\/li\u003e\n\u003cli\u003e5.7 pound mount head\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":42736023699713,"sku":"S20590","price":579.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/SW-GOTO-GTI-1.jpg?v=1650048237"},{"product_id":"sky-watcher-star-adventurer-2i-pro-pack","title":"Sky-Watcher Star Adventurer 2i Pro Pack","description":"\u003cdiv class=\"pdp-short-description\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eStar Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003e11-pound payload capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eBall head adapter, Dec bracket, latitude (EQ) base, and counterweight kit included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eBuilt-in polar scope with illuminator with LED lit polar alignment sight\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eFree Star Adventurer Console control app (for iOS and Android) for imaging the night sky, landscape, and deep sky\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003e3.63-pound mount head weight (with dec bracket)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eAll-metal gearing \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003e24 hours of continuous use with two AA batteries or limitless power via 5V mini-USB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eBuilt-in SNAP port for camera control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: black;\" data-mce-fragment=\"1\" data-mce-style=\"color: black;\"\u003eDual 3\/8-inch thread panoramic plate with included ¼-20-inch adapter \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNow With Wi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Sky-Watcher Star Adventurer 2i is a user-friendly and multi-function mount to satisfy all your needs for astronomy, astrophotography, and time-lapse photography. It is a high precision, portable, and stable celestial tracking platform for sidereal, solar, and lunar tracking with automatic DSLR shutter release control. Using a Wi-Fi signal to connect to your phone, the Star Adventurer 2i contains preprogrammed long exposures, helping you create mesmerizing time-lapse videos with your DSLR.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCamera, tripod, and optical tube are not included.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eAward Winning Images\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s extremely popular family of star tracker mounts have helped revolutionize the lightweight astrophotography market making it easier and less expensive to enter into what can be a very challenging hobby. Time and again, Star Adventurer leads the pack of lightweight astroimaging mounts and helps photographers produce award-winning landscape and deep space images and stirring time-lapse videos of the night sky.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eEasy Integration with Any Tripod\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe declination assembly uses a specialized Vixen-style saddle plate for attaching cameras, tripod heads, or optical tubes. Attaching a ball head to this Vixen style plate provides most users with enough flexibility to point their camera around the sky freely while maintaining tracking. The Star Adventurer tracking platform can attach to a tripod using a 3\/8-inch thread socket and includes an adapter for ¼-20-inch thread sizes.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eAutomatic Shutter Release Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNo need for an intervelometer timer with the Star Adventurer 2i! With completely programable shutter exposure settings, the 2i can trigger a DSLR using the auxiliary shutter release cable. Once the camera is plugged into the mount and a shot is fired, it will continually shoot for the programed exposures until the cable is removed.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith a payload capacity of 5kg (11 pounds), the Star Adventurer 2i is exceptional for nightscape, deep space, and time lapse photographers looking to master the entire sky utilizing every lens in their tool kit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":43529943482625,"sku":"S20512","price":585.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/3S9A1512-2_1800x1800_ad104c33-7ae0-40df-8f69-c648188223d3.jpg?v=1667075408"},{"product_id":"cq350-pro-mount-with-heavy-duty-field-tripod","title":"CQ350 Pro Mount with Heavy Duty Field Tripod","description":"\u003cdiv class=\"pdp-short-description\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMassive 77-pound payload capacity supports large OTAs plus guiders, filters, cameras, and more \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eObservatory class equatorial GoTo mount with built-in USB PC control \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBelt drives provide minimal backlash and significantly reduced periodic error while remaining whisper quiet \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStepper motors have no internal gear box, further reducing backlash \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSNAP port eliminates the need for remote shutter release cable \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutoguide port compatible with most of today’s best autoguiders \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eD\/V saddle plate to handle a wide variety of OTAs \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOptional illuminated polar scope \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e42,000+ object data base  \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHeavy duty steel tripod for rock-solid performance \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDC power cord included \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTwo 22-pound counterweights\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSidereal, solar and lunar tracking modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-pdp-tab-content=\"description\" class=\"pdp-content-description rte active\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s all-new CQ350 is a fully-GoTo equatorial platform entering their mount lineup right between the flagship EQ8-R Pro and EQ6-R Pro mounts (already favorites among world-class imagers and serious-minded newbies), filling the payload gap to satisfy the discerning astrophotographer’s endless pursuit of a supremely dialed-in, observatory-class setup.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAvailable as mount head only and mount head with tripod kit options, the CQ350 boasts a hefty 77-pound\/35 kg payload capacity capable of supporting Sky-Watcher’s largest OTAs including the Esprit 150ED Triplet Refractor and the massive Quattro 250P Imaging Newtonian with ease, with room to spare for accessories, guidescopes, and imaging equipment.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s CQ350 is also packed with well-positioned electrical options to manage cables, power, computer connection, imaging accessories, and more.  A convenient 4x USB Out port hub sits adjacent to three 2.1mm central positive power out ports, plus three Out AUX ports, three In AUX ports, PC connect USB-to-serial port, USB Type B In port, SNAP port, one power input port, hand controller port, autoguider port, and a 12V DC power aircraft cable port for secure power connection to the mount.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOther special features of the CQ350 include a high-precision, 0.9° hybrid stepper motor, spring loaded worm gears, synchronous wheel and belt drive modes, locking RA and Dec clutches, an oversized latitude knob for use with cold weather gloves on, a D-\/V-style dovetail mounting platform, and optional external polar scope. The CQ350 mount head is also compatible with the EQ8-R tripod.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOne of the world’s leading consumer telescope and mount manufacturers, Sky-Watcher is continually improving on its past innovations to bring to market precision instruments that discerning astronomy enthusiasts of every skill level desire. With other features including hard stops, auto-home functionality, batch exposures function, the V5 SynScan hand controller’s 42,000+ GoTo database, 2x 22-pound counterweights and beefy counterweight bar, plus included SNAP and power cables, the CQ350 packs heavy-duty form with heavy-duty function for a heavy-duty foundation.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDesigned to be a serious contender for up-and-coming imagers as well as seasoned aces looking to build atop a supremely solid performance platform, the CQ350 is an observatory-class powerhouse that is still portable enough for field use, awaiting the master craftsman to coax down the beauty of the night sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":43650459435265,"sku":"S30810","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/CQ350_FrontLeft_1800x1800_9ada54f2-bd09-43e8-b09e-15ea7a1fb577.jpg?v=1670520131"},{"product_id":"cq350-pro-mount-head-only-with-counterweights","title":"CQ350 Pro Mount Head Only with Counterweights","description":"\u003cdiv class=\"pdp-short-description\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMassive 77-pound payload capacity supports large OTAs plus guiders, filters, cameras, and more \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eObservatory class equatorial GoTo mount with built-in USB PC control \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBelt drives provide minimal backlash and significantly reduced periodic error while remaining whisper quiet \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStepper motors have no internal gear box, further reducing backlash \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSNAP port eliminates the need for remote shutter release cable \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutoguide port compatible with most of today’s best autoguiders \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eD\/V saddle plate to handle a wide variety of OTAs \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOptional illuminated polar scope \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e42,000+ object data base  \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHeavy duty steel tripod for rock-solid performance \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDC power cord included \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTwo 22-pound counterweights\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSidereal, solar and lunar tracking modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-pdp-tab-content=\"description\" class=\"pdp-content-description rte active\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s all-new CQ350 is a fully-GoTo equatorial platform entering their mount lineup right between the flagship EQ8-R Pro and EQ6-R Pro mounts (already favorites among world-class imagers and serious-minded newbies), filling the payload gap to satisfy the discerning astrophotographer’s endless pursuit of a supremely dialed-in, observatory-class setup.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAvailable as mount head only and mount head with tripod kit options, the CQ350 boasts a hefty 77-pound\/35 kg payload capacity capable of supporting Sky-Watcher’s largest OTAs including the Esprit 150ED Triplet Refractor and the massive Quattro 250P Imaging Newtonian with ease, with room to spare for accessories, guidescopes, and imaging equipment.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSky-Watcher’s CQ350 is also packed with well-positioned electrical options to manage cables, power, computer connection, imaging accessories, and more.  A convenient 4x USB Out port hub sits adjacent to three 2.1mm central positive power out ports, plus three Out AUX ports, three In AUX ports, PC connect USB-to-serial port, USB Type B In port, SNAP port, one power input port, hand controller port, autoguider port, and a 12V DC power aircraft cable port for secure power connection to the mount.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOther special features of the CQ350 include a high-precision, 0.9° hybrid stepper motor, spring loaded worm gears, synchronous wheel and belt drive modes, locking RA and Dec clutches, an oversized latitude knob for use with cold weather gloves on, a D-\/V-style dovetail mounting platform, and optional external polar scope. The CQ350 mount head is also compatible with the EQ8-R tripod.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOne of the world’s leading consumer telescope and mount manufacturers, Sky-Watcher is continually improving on its past innovations to bring to market precision instruments that discerning astronomy enthusiasts of every skill level desire. With other features including hard stops, auto-home functionality, batch exposures function, the V5 SynScan hand controller’s 42,000+ GoTo database, 2x 22-pound counterweights and beefy counterweight bar, plus included SNAP and power cables, the CQ350 packs heavy-duty form with heavy-duty function for a heavy-duty foundation.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDesigned to be a serious contender for up-and-coming imagers as well as seasoned aces looking to build atop a supremely solid performance platform, the CQ350 is an observatory-class powerhouse that is still portable enough for field use, awaiting the master craftsman to coax down the beauty of the night sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":43650462023937,"sku":"S30820","price":3299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/products\/CQ350_FrontLeft_1800x1800_4d46e2cc-5083-4dd1-bb98-ed6ebb0188b2.jpg?v=1670520249"},{"product_id":"100gto-german-equatorial-mount-with-extended-temperature-absolute-encoders-includes-apcc-pro-and-pempro","title":"Astro-Physics 1100GTO German Equatorial Mount with Extended Temperature Absolute Encoders - Includes APCC-PRO and PEMPro","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003eWhy an 1100GTO?\u003c\/h4\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe 1100GTO is a mid-sized observatory-class mount that will provide reliable operation in your distant, remote observatory *** or *** eagerly travel to star parties where your 12V battery will keep it running all night.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe offer three versions:\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1100gto\" target=\"_blank\"\u003e1100GTO\u003c\/a\u003e,\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ae\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1100gto-ae\"\u003e1100GTO-AE\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eand 1100GTO-AEL. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1100GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself. (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\" target=\"_blank\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\" target=\"_blank\"\u003e11AE-4L-KIT\u003c\/a\u003e)\u003ca title=\"(11AE-4-KIT or 11AE-4L-KIT)\" href=\"https:\/\/www.astro-physics.com\/ae-kit\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/ae-kit\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis web page specifically discusses the 1100GTO-AEL, though many features that are common to all three mount versions.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003ePortable\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart easily into two components for hassle-free field setup. The heaviest component is about 27 lbs (12.5kg).\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest the 25 Amp Variable Volt Power Supply from Powerwerx (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/psvpw25a\" target=\"_blank\"\u003ePSVPW25A\u003c\/a\u003e),  This variable supply can be boosted to 15V if you observe in cold climates or are at the upper end of the capacity recommendations.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eAzimuth and Altitude Adjustments are convenient and quick\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMajor altitude adjustments are extremely easy to make by simply shifting the position of the altitude adjustment bar into a new slot. The large \"captain's wheel\" knob, convenient to grasp and turn, performs the fine adjustments. If you travel to a star party at a different latitude, the changes to your setup are quickly made and allow you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAzimuth adjusters are located at the rear of mount which allows you to make minor corrections quite easily. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe RA and Dec motor cables are routed internally to reduce the possibility of snagging. Additional cables can pass through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eClutches\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur optional Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/rapas\" target=\"_blank\"\u003eRAPAS\u003c\/a\u003e) will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYou have your choice of the optional GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eKEYVFK2\u003c\/a\u003e), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad).\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli class=\"pt10arial\" data-mce-fragment=\"1\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions\u003c\/li\u003e\n\u003cli class=\"pt10arial\" data-mce-fragment=\"1\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods\u003c\/li\u003e\n\u003cli class=\"pt10arial\" data-mce-fragment=\"1\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel\u003c\/li\u003e\n\u003cli class=\"pt10arial\" data-mce-fragment=\"1\"\u003eVery low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cimg class=\"__mce_add_custom__\" title=\"1100gto-motor-box-adjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1100gto-motor-box-adjust.jpg\" alt=\"1100gto-motor-box-adjust.jpg\" width=\"363\" height=\"150\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1100gto-motor-box-adjust.jpg\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eAbsolute Encoders\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, customizable home and limit functions for robotic imaging. \u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eMechanical Features\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003ePrecise Mechanical Fabrication\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUsing modern CNC machining techniques, we make all components to a high precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eEasy to Adjust and Maintain\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe design of the 1100GTO-AE is straightforward with modular construction. We provide information in the\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/index.htm?tech_support\/tech_support\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/astro-physics.info\/index.htm?tech_support\/tech_support\" target=\"_blank\"\u003eTechnical Support section\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eof our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eComponents are modular\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll electronics including the GTOCP4 control box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5 data-mce-fragment=\"1\"\u003eGTO Servo Drive System\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\" target=\"_blank\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edrive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. Each mount is individually tested to meet or exceed our periodic error specification of 7 arc seconds (+\/- 3.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment-to-moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 7 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003eContinual PEM Correction with the Absolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 7 arc seconds (+\/- 3.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction. The absolute encoders eliminate any remaining periodic error to continually optimize your mounts performance. You will not have to do periodic PEMPro runs like you would with non-encoder mounts. However, we include PEMPro so that you can utilize the polar alignment feature. \u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, Ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future firmware updates will be available via downloads from the Software Update tab of our website.\u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1100GTO uses the same GTOCP4 Control Box as the 1600GTO as well as these previously produced mounts: 900GTO, 1200GTO and Mach1GTO. In fact, the control boxes for all of these mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with those mounts.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\" target=\"_blank\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eKEYVFK2\u003c\/a\u003e) is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures while wearing gloves. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eextensive information regarding the Keypad\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable class=\"pt10arial\" border=\"1\" cellspacing=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e7.2\" (183 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e0.71\" (18 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e3.15\" (80 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e3.94\" (100 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003eApproximately 18 degrees (+\/- 9 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e1.875\" (47.6 mm) diameter x 16.5\" (419 mm) usable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 13 lb. (5.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 27.6 lb. (12.5 kg)\u003cbr\u003eDec. axis: 15.6 lb. (7.1 kg)\u003cbr\u003eDec. top plate 1.5 lb. (0.7 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"pt10arial\" valign=\"TOP\" width=\"80%\"\u003eApproximately 110 lb. (50 kg) of scope and accessories, depending on length. Recommended for refractors up to 200 mm, 14-16\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd class=\"pt10arial\" valign=\"TOP\"\u003eRefer to list of suitable\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e7.730\" (196.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGTO Servo Drive Specifications\u003c\/h2\u003e\n\u003ctable class=\"pt10arial\" border=\"1\" cellspacing=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003e\n\u003cp\u003eElectronic components\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eZero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arcseconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 3.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e\u003c\/h2\u003e\n\u003ch5\u003eControl Options\u003c\/h5\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAs the chart below shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" data-mce-fragment=\"1\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ethat are available and see a full size version of this chart.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\" data-mce-src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003ch1 data-mce-fragment=\"1\"\u003eIncluded Software:\u003c\/h1\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\" data-mce-href=\"https:\/\/www.astro-physics.com\/apcc\" data-mce-fragment=\"1\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003ePEMPro Software, Version 3\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. You will not need it to correct this mount's periodic error since the Absolute Encoders will do that on a continual basis. However, the \u003c\/span\u003e\u003cspan class=\"pt10arial\" data-mce-fragment=\"1\"\u003epolar alignment wizard is quite useful. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eAbsolute Encoders\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for your 1100GTO-AEL\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO-AEL mount has been designed and engineered to accommodate extremely precise Absolute Encoders. These are the same encoders that are used on the 1600GTO. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information regarding the encoders\u003c\/a\u003e to find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arcseconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1100GTO-AE or 1100GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1100GTO without encoders, you may purchase the Absolute Encoder Kit (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e) at some point in the future and install them yourself.  Please note that the price and availability of these encoders may change over time. \u003c\/p\u003e\n\u003ch5\u003eWhat's Included\u003c\/h5\u003e\n\u003ch2\u003e1100GTO: 1100GTO German Equatorial Mount with Absolute Encoders (Extended Temperature Range)\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eR.A. and Dec. Renishaw Absolute Encoders, extended temperature version, installed\u003c\/li\u003e\n\u003cli\u003eJunction Box and Cables\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box  (\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eControl Box Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/cbapt\"\u003eCBAPT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e16.675\" Stainless Counterweight Shaft, 1.875\" diameter (\u003ca href=\"https:\/\/www.astro-physics.com\/m9404-b\"\u003eM9404-B\u003c\/a\u003e) and Safety Stop (\u003ca href=\"https:\/\/www.astro-physics.com\/m12676\"\u003eM12676\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (\u003ca href=\"https:\/\/www.astro-physics.com\/cabpp4set\"\u003eCABPP4SET\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (\u003ca href=\"https:\/\/www.astro-physics.com\/cabser15\"\u003eCABSER15\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDFs of 1100GTO and GTO Keypad instruction manuals.\u003c\/li\u003e\n\u003cli\u003eManual: 1100GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center (APCC) Pro version software is included (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweights: Stainless Steel Counterweights - 5, 10, 18 and 30 lb. (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003eDOVELM162\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovedv10\"\u003eDOVEDV10\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/900rp\"\u003e\u003cspan\u003e \u003c\/span\u003e900RP\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of D-Style Dovetail Plates, 13\" and 16\" Side-by-Side Plates (S\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eBD13SS\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD18SS\u003c\/a\u003e) \u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/pp\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 8\" diameter, heights 24\",32\",42\",48\",54\",62\", Advanced Telescope Systems (ATS) Portable or Permanent Pier (order directly from ATS) or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e) Regulated Power Supply\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003cli\u003eAlligator Clips with APC Fuse to PowerPole Connector (\u003ca href=\"https:\/\/www.astro-physics.com\/cabppal\"\u003eCABPPAL\u003c\/a\u003e). \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.675\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa\"\u003e119FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1100GTO and all 900 Mounts - For 8\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa-fp\"\u003e119FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8\" Pier Accessory Trays (\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OH0\"\u003eTRAY08\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OX0\"\u003eTRAY08H\u003c\/a\u003e) and Support Bar(s) (\u003ca href=\"https:\/\/www.astro-physics.com\/traysb\"\u003eTRAYSB\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/traysb1\"\u003eTRAYSB1\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePowerwerx DC Inline Watt Meter and Power Analyzer\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\" title=\"Powerwerx Watt Meter\" target=\"_blank\"\u003e(CABPPWM)\u003c\/a\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eManuals\u003c\/h5\u003e\n\u003ch2\u003eManuals\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/1100gto\/1100gto-cp4.pdf\"\u003e1100GTO German Equatorial\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/cp4-update\/cp4-manual.pdf\"\u003eGTOCP4 Servo Motor Drive System\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Although the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\/1600gto.htm\" class=\"pt10link\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003emount is shown, these same features are available for the 1100GTO. Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eGerman Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e), the 10 x 60 Vario Finder with Quick Release Guider Bracket (\u003ca href=\"https:\/\/www.astro-physics.com\/1060vgkit\"\u003e1060VGKIT\u003c\/a\u003e) and the Astro-Physics Command Center (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc-pro\"\u003eAPCC-PRO\u003c\/a\u003e) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch5 align=\"center\" style=\"text-align: left;\"\u003eReviews\u003c\/h5\u003e\n\u003ch2\u003eClick on the link below to read the Sky \u0026amp; Telescope July 2017 review by Jerry Lodriguss.\u003cbr\u003e\u003cspan\u003e\u003ca href=\"http:\/\/skyandtelescope.com\/reprint\/595\" title=\"The Astro-Physics 1100GTO\"\u003eThe Astro-Physics 1100GTO\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg height=\"160\" width=\"759\" alt=\"s-t-report.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/s-t-report.png\" title=\"s-t-report.png\" class=\"__mce_add_custom__\" style=\"float: left;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\"The 1100GTO offers superlative craftsmanship, design, and execution, but when you buy an Astro-Physics product you’re also getting industry-leading support. . . When I used the 1100GTO mount, I had to say that I felt, like Oscar Wilde,“always satisfied with the very best.”\u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eAvailability\u003c\/h5\u003e\n\u003cp\u003eThe most recent production run of the 1100GTO is sold out. If you would like to order the mount in the future, please complete the \u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1100-notification\" target=\"_blank\"\u003e1100GTO Notification Request Form\u003c\/a\u003e . We will contact you when this mount is available for you to order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980747931905,"sku":"1100GTO-AEL","price":17025.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1100GTO-AE---2016__90122__03984.1662236976.jpg?v=1691009586"},{"product_id":"1100gto-german-equatorial-mount-with-standard-temperature-absolute-encoders-includes-apcc-pro-and-pempro","title":"Astro-Physics 1100GTO German Equatorial Mount with Standard Temperature Absolute Encoders - Includes APCC-PRO and PEMPro","description":"\u003ch2\u003eWhy an 1100GTO?\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO is a mid-sized observatory-class mount that will provide reliable operation in your distant, remote observatory *** or *** eagerly travel to star parties where your 12V battery will keep it running all night.\u003c\/p\u003e\n\u003cp\u003eWe offer three versions:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto\" target=\"_blank\"\u003e1100GTO\u003c\/a\u003e, 1100GTO-AE and\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ael\"\u003e1100GTO-AEL\u003c\/a\u003e. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1100GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself. (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e)\u003ca href=\"https:\/\/www.astro-physics.com\/ae-kit\" title=\"(11AE-4-KIT or 11AE-4L-KIT)\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThis web page specifically discusses the 1100GTO-AE, though many features that are common to all three mount versions.\u003c\/p\u003e\n\u003ch2\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3\u003ePortable\u003c\/h3\u003e\n\u003cp\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart easily into two components for hassle-free field setup. The heaviest component is about 27 lbs (12.5kg).\u003c\/p\u003e\n\u003ch3\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest the 25 Amp Variable Volt Power Supply from Powerwerx (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\" target=\"_blank\"\u003ePSVPW25A\u003c\/a\u003e),  This variable supply can be boosted to 15V if you observe in cold climates or are at the upper end of the capacity recommendations.\u003c\/p\u003e\n\u003ch3\u003eAzimuth and Altitude Adjustments are convenient and quick\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMajor altitude adjustments are extremely easy to make by simply shifting the position of the altitude adjustment bar into a new slot. The large \"captain's wheel\" knob, convenient to grasp and turn, performs the fine adjustments. If you travel to a star party at a different latitude, the changes to your setup are quickly made and allow you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli\u003eAzimuth adjusters are located at the rear of mount which allows you to make minor corrections quite easily. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cp\u003eThe RA and Dec motor cables are routed internally to reduce the possibility of snagging. Additional cables can pass through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/p\u003e\n\u003ch3\u003eClutches\u003c\/h3\u003e\n\u003cp\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp\u003eOur optional Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\" target=\"_blank\"\u003eRAPAS\u003c\/a\u003e) will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp\u003eYou have your choice of the optional GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eKEYVFK2\u003c\/a\u003e), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad).\u003c\/p\u003e\n\u003ch3\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"pt10arial\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eVery low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding\u003cbr\u003e\u003cbr\u003e\u003cimg height=\"150\" width=\"363\" alt=\"1100gto-motor-box-adjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1100gto-motor-box-adjust.jpg\" title=\"1100gto-motor-box-adjust.jpg\" class=\"__mce_add_custom__\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbsolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, customizable home and limit functions for robotic imaging. \u003c\/p\u003e\n\u003ch2\u003eMechanical Features\u003c\/h2\u003e\n\u003ch3\u003ePrecise Mechanical Fabrication\u003c\/h3\u003e\n\u003cp\u003eUsing modern CNC machining techniques, we make all components to a high precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003ch3\u003eEasy to Adjust and Maintain\u003c\/h3\u003e\n\u003cp\u003eThe design of the 1100GTO-AE is straightforward with modular construction. We provide information in the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/index.htm?tech_support\/tech_support\" target=\"_blank\"\u003eTechnical Support section\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eof our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003ch3\u003eComponents are modular\u003c\/h3\u003e\n\u003cp\u003eAll electronics including the GTOCP4 control box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5\u003eGTO Servo Drive System\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\" target=\"_blank\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edrive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. Each mount is individually tested to meet or exceed our periodic error specification of 7 arc seconds (+\/- 3.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment-to-moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 7 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003eContinual PEM Correction with the Absolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 7 arc seconds (+\/- 3.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction. The absolute encoders eliminate any remaining periodic error to continually optimize your mounts performance. You will not have to do periodic PEMPro runs like you would with non-encoder mounts. However, we include PEMPro so that you can utilize the polar alignment feature. \u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, Ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future firmware updates will be available via downloads from the Software Update tab of our website.\u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1100GTO-AEL uses the same GTOCP4 Control Box as the 1600GTO as well as these previously produced mounts: 900GTO, 1200GTO and Mach1GTO. In fact, the control boxes for all of these mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with those mounts.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\" target=\"_blank\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eKEYVFK2\u003c\/a\u003e) is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures while wearing gloves. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\" target=\"_blank\"\u003eextensive information regarding the Keypad\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e7.2\" (183 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0.71\" (18 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e3.15\" (80 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e3.94\" (100 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003eApproximately 18 degrees (+\/- 9 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.875\" (47.6 mm) diameter x 16.5\" (419 mm) usable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 13 lb. (5.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 27.6 lb. (12.5 kg)\u003cbr\u003eDec. axis: 15.6 lb. (7.1 kg)\u003cbr\u003eDec. top plate 1.5 lb. (0.7 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\" class=\"pt10arial\"\u003eApproximately 110 lb. (50 kg) of scope and accessories, depending on length. Recommended for refractors up to 200 mm, 14-16\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd valign=\"TOP\" class=\"pt10arial\"\u003eRefer to list of suitable\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e7.730\" (196.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGTO Servo Drive Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eZero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arcseconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 3.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eControl Options\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs the chart below shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available and see a full size version of this chart.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch1\u003eIncluded Software:\u003c\/h1\u003e\n\u003ch2\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003ePEMPro Software, Version 3\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. You will not need it to correct this mount's periodic error since the Absolute Encoders will do that on a continual basis. However, the \u003c\/span\u003e\u003cspan class=\"pt10arial\"\u003epolar alignment wizard is quite useful. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eAbsolute Encoders\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for your 1100GTO-AE\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO-AE mount has been designed and engineered to accommodate extremely precise Absolute Encoders. These are the same encoders that are used on the 1600GTO. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information regarding the encoders\u003c\/a\u003e to find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arcseconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1100GTO-AE or 1100GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1100GTO without encoders, you may purchase the Absolute Encoder Kit (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e) at some point in the future and install them yourself.  Please note that the price and availability of these encoders may change over time. \u003c\/p\u003e\n\u003ch5\u003eWhat's Included\u003c\/h5\u003e\n\u003ch2\u003e1100GTO: 1100GTO German Equatorial Mount with Absolute Encoders (Standard Temperature Range)\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eR.A. and Dec. Renishaw Absolute Encoders, standard temperature version, installed\u003c\/li\u003e\n\u003cli\u003eJunction Box and Cables\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box  (\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eControl Box Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/cbapt\"\u003eCBAPT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e16.675\" Stainless Counterweight Shaft, 1.875\" diameter (\u003ca href=\"https:\/\/www.astro-physics.com\/m9404-b\"\u003eM9404-B\u003c\/a\u003e) and Safety Stop (\u003ca href=\"https:\/\/www.astro-physics.com\/m12676\"\u003eM12676\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (\u003ca href=\"https:\/\/www.astro-physics.com\/cabpp4set\"\u003eCABPP4SET\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (\u003ca href=\"https:\/\/www.astro-physics.com\/cabser15\"\u003eCABSER15\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDFs of 1100GTO and GTO Keypad instruction manuals.\u003c\/li\u003e\n\u003cli\u003eManual: 1100GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center (APCC) Pro version software is included (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweights: Stainless Steel Counterweights - 5, 10, 18 and 30 lb. (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003eDOVELM162\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovedv10\"\u003eDOVEDV10\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/900rp\"\u003e\u003cspan\u003e \u003c\/span\u003e900RP\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of D-Style Dovetail Plates, 13\" and 16\" Side-by-Side Plates (S\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eBD13SS\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD18SS\u003c\/a\u003e) \u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/piers-tripods\/\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 8\" diameter, heights 24\",32\",42\",48\",54\",62\", Advanced Telescope Systems (ATS) Portable or Permanent Pier (order directly from ATS) or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e) Regulated Power Supply\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003cli\u003eAlligator Clips with APC Fuse to PowerPole Connector (\u003ca href=\"https:\/\/www.astro-physics.com\/cabppal\"\u003eCABPPAL\u003c\/a\u003e). \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.675\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa\"\u003e119FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1100GTO and all 900 Mounts - For 8\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa-fp\"\u003e119FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8\" Pier Accessory Trays (\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OH0\"\u003eTRAY08\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OX0\"\u003eTRAY08H\u003c\/a\u003e) and Support Bar(s) (\u003ca href=\"https:\/\/www.astro-physics.com\/traysb\"\u003eTRAYSB\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/traysb1\"\u003eTRAYSB1\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePowerwerx DC Inline Watt Meter and Power Analyzer\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\" title=\"Powerwerx Watt Meter\" target=\"_blank\"\u003e(CABPPWM)\u003c\/a\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eManual\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/1100gto\/1100gto-cp4.pdf\"\u003e1100GTO German Equatorial\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/cp4-update\/cp4-manual.pdf\"\u003eGTOCP4 Servo Motor Drive System\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eVideo\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Although the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\/1600gto.htm\" class=\"pt10link\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003emount is shown, these same features are available for the 1100GTO. Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003ch2 style=\"text-align: left;\"\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eGerman Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e), the 10 x 60 Vario Finder with Quick Release Guider Bracket (\u003ca href=\"https:\/\/www.astro-physics.com\/1060vgkit\"\u003e1060VGKIT\u003c\/a\u003e) and the Astro-Physics Command Center (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc-pro\"\u003eAPCC-PRO\u003c\/a\u003e) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eProduct Reviews\u003c\/h5\u003e\n\u003ch2\u003eClick on the link below to read the Sky \u0026amp; Telescope July 2017 review by Jerry Lodriguss.\u003cbr\u003e\u003cspan\u003e\u003ca href=\"http:\/\/skyandtelescope.com\/reprint\/595\" title=\"The Astro-Physics 1100GTO\"\u003eThe Astro-Physics 1100GTO\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg height=\"160\" width=\"759\" alt=\"s-t-report.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/s-t-report.png\" title=\"s-t-report.png\" class=\"__mce_add_custom__\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\"The 1100GTO offers superlative craftsmanship, design, and execution, but when you buy an Astro-Physics product you’re also getting industry-leading support. . . When I used the 1100GTO mount, I had to say that I felt, like Oscar Wilde,“always satisfied with the very best.”\u003c\/p\u003e\n\u003ch5\u003eAvailability\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe most recent production run of the 1100GTO is sold out. If you would like to order the mount in the future, please complete the \u003c\/span\u003e\u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1100-notification\" target=\"_blank\"\u003e1100GTO Notification Request Form\u003c\/a\u003e\u003cspan\u003e . We will contact you when this mount is available for you to order.\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980752650497,"sku":"1100GTO-AE","price":16400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1100GTO-AE---2016__90122__65927.1662236925.jpg?v=1691010052"},{"product_id":"1100gto-german-equatorial-mount-includes-apcc-pro-and-pempro","title":"Astro-Physics 1100GTO German Equatorial Mount - Includes APCC-PRO and PEMPro","description":"\u003ch2\u003eWhy an 1100GTO?\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO is a mid-sized observatory-class mount that will provide reliable operation in your distant, remote observatory *** or *** eagerly travel to star parties where your 12V battery will keep it running all night.\u003c\/p\u003e\n\u003cp\u003eWe offer three versions: 1100GTO,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ae\"\u003e1100GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ael\"\u003e1100GTO-AEL\u003c\/a\u003e. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1100GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself. (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e)\u003ca href=\"https:\/\/www.astro-physics.com\/ae-kit\" title=\"(11AE-4-KIT or 11AE-4L-KIT)\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThis web page specifically discusses the 1100GTO, though many features are common to all three mount versions.\u003c\/p\u003e\n\u003ch2\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3\u003ePortable\u003c\/h3\u003e\n\u003cp\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart easily into two components for hassle-free field setup. The heaviest component is about 27 lbs (12.5kg).\u003c\/p\u003e\n\u003ch3\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest the 25 Amp Variable Volt Power Supply from Powerwerx (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e),  This variable supply can be boosted to 15V if you observe in cold climates or are at the upper end of the capacity recommendations.\u003c\/p\u003e\n\u003ch3\u003eAzimuth and Altitude Adjustments are convenient and quick\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMajor altitude adjustments are extremely easy to make by simply shifting the position of the altitude adjustment bar into a new slot. The large \"captain's wheel\" knob, convenient to grasp and turn, performs the fine adjustments. If you travel to a star party at a different latitude, the changes to your setup are quickly made and allow you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli\u003eAzimuth adjusters are located at the rear of mount which allows you to make minor corrections quite easily. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cp\u003eThe RA and Dec motor cables are routed internally to reduce the possibility of snagging. Additional cables can pass through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/p\u003e\n\u003ch3\u003eClutches\u003c\/h3\u003e\n\u003cp\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp\u003eOur optional Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e) will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp\u003eYou have your choice of the optional GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad).\u003c\/p\u003e\n\u003ch3\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"pt10arial\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eVery low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding\u003cbr\u003e\u003cbr\u003e\u003cimg height=\"150\" width=\"363\" alt=\"1100gto-motor-box-adjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1100gto-motor-box-adjust.jpg\" title=\"1100gto-motor-box-adjust.jpg\" class=\"__mce_add_custom__\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbsolute Encoder Option\u003c\/h3\u003e\n\u003cp\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, customizable home and limit functions for robotic imaging. This option can be installed when you purchase your mount (order either the 1100GTO-AE or 1100GTO-AEL version) or you can purchase the option as an upgrade kit (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e) when you are ready to take advantage of its capabilities. \u003c\/p\u003e\n\u003ch2\u003eMechanical Features\u003c\/h2\u003e\n\u003ch3\u003ePrecise Mechanical Fabrication\u003c\/h3\u003e\n\u003cp\u003eUsing modern CNC machining techniques, we make all components to a high precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003ch3\u003eEasy to Adjust and Maintain\u003c\/h3\u003e\n\u003cp\u003eThe design of the 1100GTO is straightforward with modular construction. We provide information in the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/index.htm?tech_support\/tech_support\"\u003eTechnical Support section\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eof our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003ch3\u003eComponents are modular\u003c\/h3\u003e\n\u003cp\u003eAll electronics including the GTOCP4 control box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5\u003eGTO Server Drive System\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe GTOCP4 drive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. Each mount is individually tested to meet or exceed our periodic error specification of 7 arc seconds (+\/- 3.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment-to-moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 7 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003ePre-loaded PEMPro Curve\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 7 arc seconds (+\/- 3.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction. In order to optimize performance even further, we use a special version of Ray Gralak's PEMPro developed specifically for our test equipment. We generate a unique PE curve for each mount that we program into each GTOCP4 Control Box. Simply use the optional Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e) or your Astro-Physics software (\u003ca href=\"https:\/\/www.gralak.com\/apdriver\/\"\u003eASCOM V2\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edriver or\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/index.htm?tech_support\/software\/apcc\/apcc-download\"\u003eAPCC\u003c\/a\u003e) to turn the PE Correction \"on\" and you will see results significantly better than our published 7 arc second spec without additional PEMPro runs! However, you may use PEMPro to further refine your PE, if you chose to do so.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ae\"\u003e1100GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100gto-ael\"\u003e1100GTO-AEL\u003c\/a\u003e: If you purchase either of these versions that feature absolute encoders, the final in-house PEMPro run will utilize the corrections of the absolute encoders and the values will be stored in the GTOCP4 Control Box. In normal usage with the encoders activated, the absolute encoders provide continual corrections throughout your observing session. They do not rely on the stored curve. \u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, Ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future firmware updates will be available via downloads from the Software Update tab of our website.\u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1100GTO uses the same GTOCP4 Control Box as the 1600GTO as well as these previously produced mounts: 900GTO, 1200GTO and Mach1GTO. In fact, the control boxes for all of these mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with those mounts.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures while wearing gloves. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eextensive information regarding the Keypad\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e7.2\" (183 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0.71\" (18 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e3.15\" (80 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e3.94\" (100 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003eApproximately 18 degrees (+\/- 9 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.875\" (47.6 mm) diameter x 16.5\" (419 mm) usable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 13 lb. (5.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 27.6 lb. (12.5 kg)\u003cbr\u003eDec. axis: 15.6 lb. (7.1 kg)\u003cbr\u003eDec. top plate 1.5 lb. (0.7 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\" class=\"pt10arial\"\u003eApproximately 110 lb. (50 kg) of scope and accessories, depending on length. Recommended for refractors up to 200 mm, 14-16\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd valign=\"TOP\" class=\"pt10arial\"\u003eRefer to list of suitable\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e7.730\" (196.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGTO Servo Drive Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eZero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arcseconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 3.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eControl Options\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs the chart below shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available and see a full size version of this chart.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch1\u003eIncluded Software:\u003c\/h1\u003e\n\u003ch2\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003ePEMPro Software, Version 3\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. It is a very powerful Windows software application that allows you to correct your mount's periodic error, polar alignment and backlash using your CCD Camera or Webcam to dramatically improve tracking and guiding. \u003c\/span\u003e\u003cspan class=\"pt10arial\"\u003eAs mentioned previously, our extensive testing procedures include several PEMPro runs so that your new mount will perform with optimum PE correction out of the box. Simply use the Keypad, the ASCOM driver or APCC software to turn PE Correction \"on.\" Although you will not need to use PEMPro when you receive your mount, you may wish to do a PEMPro run at a later date after the worm gear has run in. Depending on usage, re-measuring error and re-loading periodic error correction from one to four times a year is a good practice, especially if you do some unguided images from time to time. PEMPro also includes a powerful polar alignment routine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eAbsolute Encoders\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for your 1100GTO\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO mount has been designed and engineered to accommodate extremely precise Absolute Encoders. These are the same encoders that are used on the 1600GTO. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information regarding the encoders\u003c\/a\u003e to find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arcseconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1100GTO-AE or 1100GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1100GTO without encoders, you may purchase the Absolute Encoder Kit (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e or \u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e) at some point in the future and install them yourself.  Please note that the price and availability of these encoders may change over time. \u003c\/p\u003e\n\u003ch5\u003eWhat's Included\u003c\/h5\u003e\n\u003ch2\u003e1100GTO: 1100GTO German Equatorial Mount\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box  (\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eControl Box Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/cbapt\"\u003eCBAPT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e16.675\" Stainless Counterweight Shaft, 1.875\" diameter (\u003ca href=\"https:\/\/www.astro-physics.com\/m9404-b\"\u003eM9404-B\u003c\/a\u003e) and Safety Stop (\u003ca href=\"https:\/\/www.astro-physics.com\/m12676\"\u003eM12676\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eR.A. and Dec. Y-Cable\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (\u003ca href=\"https:\/\/www.astro-physics.com\/cabpp4set\"\u003eCABPP4SET\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (\u003ca href=\"https:\/\/www.astro-physics.com\/cabser15\"\u003eCABSER15\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDFs of 1100GTO and GTO Keypad instruction manuals.\u003c\/li\u003e\n\u003cli\u003eManual: 1100GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center (APCC) Pro version software is included (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweights: Stainless Steel Counterweights - 5, 10, 18 and 30 lb. (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003eDOVELM162\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovedv10\"\u003eDOVEDV10\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/900rp\"\u003e\u003cspan\u003e \u003c\/span\u003e900RP\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of D-Style Dovetail Plates, 13\" and 16\" Side-by-Side Plates (S\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eBD13SS\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD18SS\u003c\/a\u003e) \u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/piers-tripods\/\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 8\" diameter, heights 24\",32\",42\",48\",54\",62\", Advanced Telescope Systems (ATS) Portable or Permanent Pier (order directly from ATS) or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e) Regulated Power Supply\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003cli\u003eAlligator Clips with APC Fuse to PowerPole Connector (\u003ca href=\"https:\/\/www.astro-physics.com\/cabppal\"\u003eCABPPAL\u003c\/a\u003e). \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eAbsolute Encoder Upgrade Kit (\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4-kit\"\u003e11AE-4-KIT\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/11ae-4l-kit\"\u003e11AE-4L-KIT\u003c\/a\u003e) (only ordered if you already have your mount)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.675\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa\"\u003e119FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1100GTO and all 900 Mounts - For 8\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/119fsa-fp\"\u003e119FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8\" Pier Accessory Trays (\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OH0\"\u003eTRAY08\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1OX0\"\u003eTRAY08H\u003c\/a\u003e) and Support Bar(s) (\u003ca href=\"https:\/\/www.astro-physics.com\/traysb\"\u003eTRAYSB\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/traysb1\"\u003eTRAYSB1\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePowerwerx DC Inline Watt Meter and Power Analyzer\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\" title=\"Powerwerx Watt Meter\" target=\"_blank\"\u003e(CABPPWM)\u003c\/a\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eManuals\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/1100gto\/1100gto-cp4.pdf\"\u003e1100GTO German Equatorial\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003eManual: \u003c\/span\u003e\u003ca href=\"https:\/\/astro-physics.info\/tech_support\/mounts\/cp4-update\/cp4-manual.pdf\"\u003eGTOCP4 Servo Motor Drive System\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eVideo\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Although the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\/1600gto.htm\" class=\"pt10link\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003emount is shown, these same features are available for the 1100GTO. Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003ch2 style=\"text-align: left;\"\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\"\u003e1600GTO\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eGerman Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e), the 10 x 60 Vario Finder with Quick Release Guider Bracket (\u003ca href=\"https:\/\/www.astro-physics.com\/1060vgkit\"\u003e1060VGKIT\u003c\/a\u003e) and the Astro-Physics Command Center (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc-pro\"\u003eAPCC-PRO\u003c\/a\u003e) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eProduct Reviews\u003c\/h5\u003e\n\u003ch2\u003eClick on the link below to read the Sky \u0026amp; Telescope July 2017 review by Jerry Lodriguss.\u003cbr\u003e\u003cspan\u003e\u003ca href=\"http:\/\/skyandtelescope.com\/reprint\/595\" title=\"The Astro-Physics 1100GTO\"\u003eThe Astro-Physics 1100GTO\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg height=\"160\" width=\"759\" alt=\"s-t-report.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/s-t-report.png\" title=\"s-t-report.png\" class=\"__mce_add_custom__\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\"The 1100GTO offers superlative craftsmanship, design, and execution, but when you buy an Astro-Physics product you’re also getting industry-leading support. . . When I used the 1100GTO mount, I had to say that I felt, like Oscar Wilde,“always satisfied with the very best.”\u003c\/p\u003e\n\u003ch5\u003eAvailability\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe most recent production run of the 1100GTO is sold out. If you would like to order the mount in the future, p\u003c\/span\u003e\u003cspan\u003elease complete the \u003c\/span\u003e\u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1100-notification\" target=\"_blank\"\u003e1100GTO Notification Request Form\u003c\/a\u003e\u003cspan\u003e . We will contact you when this mount is available for you to order.\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980754878721,"sku":"1100GTO","price":12230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1100GTO---2016__94058.1662224088.jpg?v=1691010703"},{"product_id":"1600gto-german-equatorial-mount-with-extended-temperature-absolute-encoders-includes-apcc-pro-and-pempro","title":"1600GTO German Equatorial Mount with Extended Temperature Absolute Encoders - Includes APCC-PRO and PEMPro","description":"\u003ch2\u003eWhy a 1600GTO?\u003c\/h2\u003e\n\u003cp\u003eThirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into the most robust, high-precision mount in its class. We have enhanced its design and utility by incorporating additional optional features like absolute encoders and a precision polar scope to meet the needs of even the most demanding astro-imager or visual enthusiast. \u003c\/p\u003e\n\u003cp\u003eWe offer three versions:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\"\u003e1600GTO\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ae\"\u003e1600GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand 1600GTO-AEL. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1G00GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself. \u003c\/p\u003e\n\u003cp\u003eThis 1600GTO-AEL version includes Extended Temperature absolute encoders installed by Astro-Physics prior to shipment.\u003c\/p\u003e\n\u003cp\u003eThe 1600GTO mount is built from the ground up to be a precision imaging platform while still remaining totally user-friendly. Consider these advantages and features:\u003c\/p\u003e\n\u003ch2\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3\u003eSemi-Portable\u003c\/h3\u003e\n\u003cp\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart into two components – a true advantage for a mount of this class.\u003c\/p\u003e\n\u003ch3\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest a minimum 5 amp filtered, regulated power supply like our 13.8-volt, 15-amp Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e). For a heavy payload in cold conditions, we offer a 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eAzimuth and Altitude Adjustment is convenient and quick\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMajor altitude adjustments are extremely easy to make. Simply shift the position of the bar into a new slot without having to line up obscure holes referenced in the manual. The large \"captain's wheel\" knob is also very easy to grasp and turn. If you travel to a star party at a different latitude, you can make changes to your setup very quickly. This also allows you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli\u003eAzimuth adjusters are positioned to the rear of mount which allows you to make minor corrections quite easily without reaching or moving around the mount. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003cli\u003eAltitude range now extends from 0-78 degrees, which makes it suitable for most anyone except the extreme polar locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor cables are built into the mount and routed internally to remove the possibility of snagging.\u003c\/li\u003e\n\u003cli\u003eEasily route additional cables through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClutches\u003c\/h3\u003e\n\u003cp\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp\u003eOur optional Right-Angle Polar Alignment Scope will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp\u003eYou have your choice of the GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e, optional), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad).\u003c\/p\u003e\n\u003ch3\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"pt10arial\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions.\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods.\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel.\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eInherent very low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding. The Absolute Encoders remove any residual backlash for effortless guiding.\u003cbr\u003e\u003cbr\u003e\u003cimg height=\"150\" width=\"360\" alt=\"1600gto-motor-box-sdjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1600gto-motor-box-sdjust.jpg\" title=\"1600gto-motor-box-sdjust.jpg\" class=\"__mce_add_custom__\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbsolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, and customizable home and limit functions for robotic imaging. \u003c\/p\u003e\n\u003ch2\u003eMechanical Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Mechanical Fabrication\u003c\/strong\u003e\u003cbr\u003eUsing modern CNC machining techniques, we make all components to a high-precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy to Adjust and Maintain\u003c\/strong\u003e\u003cbr\u003eThe design of the 1600GTO is straightforward and easy to maintain. We provide information in the Support section of our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponents are modular.\u003c\/strong\u003e\u003cbr\u003eAll electronics including the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003econtrol box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5\u003eGTO Servo Drive System\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edrive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. These parts are manufactured and assembled at our facility and individually tested to meet or exceed our periodic error specification of 5 arc seconds (+\/- 2.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment to moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 5 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003eContinual PEM Correction with the Absolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 5 arc seconds (+\/- 2.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction.  The Absolute Encoders eliminate any remaining periodic error to continually optimize your mount's performance. You will not have to do periodic PEMPro runs like you would with non-encoder mounts.   However, we include PEMPro so that you can utilize the polar alignment feature.\u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future software updates will be available via downloads from the Software Updates tab of our website.  \u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1600GTO uses the same GTOCP4 Control Box as 1100GTO and Mach1GTO. In fact, the control boxes for all three mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with the 1100 and 1600 mounts with encoders installed.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e) is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e10.3\" (262 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.22\" (31 mm) diameter special low-wear alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e3.74\" (95 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e5.71\" (145 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003eApproximately 13 degrees (+\/- 6.5 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.875\" (47.6 mm) diameter x 22\" (559 mm) useable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 17.2 lb. (7.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 63.7 lb. (28.9 kg)\u003cbr\u003eDec. axis: 40.0 lb. (18.1 kg)\u003cbr\u003eDec. top plate 3.0 lb. (1.4 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\" class=\"pt10arial\"\u003eApproximately 220 lb. (100 kg) of scope and accessories, depending on length. Recommended for refractors up to 250 mm, 18-20\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd valign=\"TOP\" class=\"pt10arial\"\u003eSuitable\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"pt10link\"\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003e9.775\" (248.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eGTOCP4 Servo Drive System Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eHigh-torque, zero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arc seconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 2.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eControl Options\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs this chart shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available.\u003cbr\u003e\u003cbr\u003eYou will be able to link to a full-sized view of this chart.\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eIncluded Software:\u003c\/h2\u003e\n\u003ch3\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePEMPro Software, Version 3\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"pt10arial\"\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. You will not need it to correct this mount's periodic error since the Absolute Encoders will do that on a continual basis.  However, the Polar Alignment Wizard is quite useful. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eAbsolute Encoders\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for Your 1600GTO-AEL\u003c\/h2\u003e\n\u003cp\u003eThe 1600GTO-AEL mount has been designed and engineered to accommodate the use of extremely precise Absolute Encoders. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eregarding the encoders and find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arc seconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1600GTO-AE or 1600GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1600GTO without encoders, you may purchase the Absolute Encoder Kit at some point in the future and install them yourself.\u003c\/p\u003e\n\u003ch5\u003eWhat's Included\u003c\/h5\u003e\n\u003ch2\u003e1600GTO-AEL: 1600GTO German Equatorial Mount with Absolute Encoders (Extended Temperature Range)\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eR.A. and Dec. Renishaw Absolute Encoders, extended temperature version, installed\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box (GTOCP4)\u003c\/li\u003e\n\u003cli\u003e23” Stainless Counterweight Shaft, 1.875\" diameter (M12601-E) and Safety Stop (M12676)\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (CABPP4SET)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (CABSER15)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center, Pro version (APCC-PRO) Software license key\u003c\/li\u003e\n\u003cli\u003eASCOM V2 Driver\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDF of 1600GTO and GTO Keypad instruction manuals\u003c\/li\u003e\n\u003cli\u003eManual: 1600GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eAll required fasteners\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweight: Stainless Steel Counterweights - (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVELM162\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/dovepw\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVEPW\u003c\/a\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/fp1800\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003eD-Style Dovetail Plates\u003c\/a\u003e, 13\" and 16\" Side-by-Side Plates (\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD13SS and SBD16SS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eP-Style (7.65\") Dovetail Plate: 23\" PlaneWave Style Dovetail Plate (\u003ca href=\"https:\/\/www.astro-physics.com\/sbpw23\"\u003eSBPW23\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/pp?attributes=eyIxNDMiOjIwMX0\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 10\" diameter, heights 24\",32\",42\",48\",54\",62\", Advanced Telescope Systems (ATS) Portable Pier or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: \u003cspan\u003e13.8V 15 Amp Power Supply (\u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e\u003cspan\u003e) or 25 Amp Variable Volt Power Supply (\u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e\u003cspan\u003e) with Digital Readout\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope with LED Cable for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/pasill4-179\"\u003ePASILL4L-179\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope Adapter for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/q16030\"\u003eQ16030\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.67\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa\"\u003e1612FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1600GTO and all 1200 Mounts - For 10\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa-fp\"\u003e1612FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/piers-tripods\/\"\u003ePier Accessory Trays and Support Bar\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003ePowerwerx In-line Watt Meter shows volts, amps, watts, amp-hours, watt-hours. \u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\"\u003e(CABPPWM)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eVideo\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products: 1600GTO German Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope, the 10 x 60 Vario-Finder with Quick Release Guider Bracket and the Astro-Physics Command Center (APCC) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eAvailability\u003c\/h5\u003e\n\u003cdiv class=\"page-content\"\u003e\n\u003cdiv class=\"productView\"\u003e\n\u003carticle class=\"productView-description\" itemprop=\"description\"\u003e\n\u003cdiv class=\"tabContainer\"\u003e\n\u003cdiv class=\"custom-row\"\u003e\n\u003cdiv class=\"column large-12\"\u003e\n\u003carticle class=\"tab-inner productView-description1 ProductInfoTab r-tabs\" itemprop=\"description\"\u003e\n\u003cdiv class=\"tab-content has-jsContent r-tabs-panel r-tabs-state-active\" id=\"newtab6\"\u003e\n\u003cdiv class=\"prodAccordionContent\"\u003e\n\u003cp\u003eThe 1600GTO is currently in production with anticipated delivery starting in the fall 2023.  If you would like to order this mount, please complete the \u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1600-notification\" target=\"_blank\"\u003e1600GTO Notification Request Form\u003c\/a\u003e. We will contact you when a mount is available for you to order. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product_below_content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980772966657,"sku":"1600GTO-AEL","price":19570.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1600-CP4-2016-10-27__50550.1568849642.jpg?v=1691012876"},{"product_id":"1600gto-german-equatorial-mount-with-standard-temperature-absolute-encoders-includes-apcc-pro-and-pempro","title":"1600GTO German Equatorial Mount with Standard Temperature Absolute Encoders - Includes APCC-PRO and PEMPro","description":"\u003ch2\u003eWhy a 1600GTO?\u003c\/h2\u003e\n\u003cp\u003eThirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into the most robust, high-precision mount in its class. We have enhanced its design and utility by incorporating additional optional features like absolute encoders and a precision polar scope to meet the needs of even the most demanding astro-imager or visual enthusiast. \u003c\/p\u003e\n\u003cp\u003eWe offer three versions:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto\"\u003e1600GTO\u003c\/a\u003e, 1600GTO-AE and\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ael\"\u003e1600GTO-AEL\u003c\/a\u003e. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1G00GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself. \u003c\/p\u003e\n\u003cp\u003eThis 1600GTO-AE version includes Standard Temperature absolute encoders installed at Astro-Physics prior to shipment.\u003c\/p\u003e\n\u003cp\u003eThe 1600GTO mount is built from the ground up to be a precision imaging platform while still remaining totally user-friendly. Consider these advantages and features:\u003c\/p\u003e\n\u003ch2\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3\u003eSemi-Portable\u003c\/h3\u003e\n\u003cp\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart into two components – a true advantage for a mount of this class.\u003c\/p\u003e\n\u003ch3\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest a minimum 15 amp filtered, regulated power supply like our 13.8-volt, 15-amp Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e). For a heavy payload in cold conditions, we offer a 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eAzimuth and Altitude Adjustment is convenient and quick\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMajor altitude adjustments are extremely easy to make. Simply shift the position of the bar into a new slot without having to line up obscure holes referenced in the manual. The large \"captain's wheel\" knob is also very easy to grasp and turn. If you travel to a star party at a different latitude, you can make changes to your setup very quickly. This also allows you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli\u003eAzimuth adjusters are positioned to the rear of mount which allows you to make minor corrections quite easily without reaching or moving around the mount. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003cli\u003eAltitude range now extends from 0-78 degrees, which makes it suitable for most anyone except the extreme polar locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor cables are built into the mount and routed internally to remove the possibility of snagging.\u003c\/li\u003e\n\u003cli\u003eEasily route additional cables through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClutches\u003c\/h3\u003e\n\u003cp\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp\u003eOur optional Right-Angle Polar Alignment Scope will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp\u003eYou have your choice of the GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e, optional), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad).\u003c\/p\u003e\n\u003ch3\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"pt10arial\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eInherent very low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding. The Absolute Encoders remove any residual backlash for effortless guiding. \u003cbr\u003e\u003cbr\u003e\u003cimg class=\"__mce_add_custom__\" title=\"1600gto-motor-box-sdjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1600gto-motor-box-sdjust.jpg\" alt=\"1600gto-motor-box-sdjust.jpg\" width=\"360\" height=\"150\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbsolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, and customizable home and limit functions for robotic imaging. \u003c\/p\u003e\n\u003ch2\u003eMechanical Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Mechanical Fabrication\u003c\/strong\u003e\u003cbr\u003eUsing modern CNC machining techniques, we make all components to a high-precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy to Adjust and Maintain\u003c\/strong\u003e\u003cbr\u003eThe design of the 1600GTO is straightforward and easy to maintain. We provide information in the Support section of our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponents are modular.\u003c\/strong\u003e\u003cbr\u003eAll electronics including the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003econtrol box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGTO Servo Drive System\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edrive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. These parts are manufactured and assembled at our facility and individually tested to meet or exceed our periodic error specification of 5 arc seconds (+\/- 2.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment to moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 5 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003eContinual PEM Correction with the Absolute Encoders\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 5 arc seconds (+\/- 2.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction.  The Absolute Encoders eliminate any remaining periodic error to continually optimize your mount's performance. You will not have to do periodic PEMPro runs like you would with non-encoder mounts.   However, we include PEMPro so that you can utilize the polar alignment feature.\u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future software updates will be available via downloads from the Software Updates tab of our website.\u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1600GTO uses the same GTOCP4 Control Box as 1100GTO and Mach1GTO. In fact, the control boxes for all three mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with those mounts.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e) is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable class=\"pt10arial\" border=\"1\" cellspacing=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e10.3\" (262 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e1.22\" (31 mm) diameter special low-wear alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e3.74\" (95 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e5.71\" (145 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003eApproximately 13 degrees (+\/- 6.5 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e1.875\" (47.6 mm) diameter x 22\" (559 mm) useable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 17.2 lb. (7.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 63.7 lb. (28.9 kg)\u003cbr\u003eDec. axis: 40.0 lb. (18.1 kg)\u003cbr\u003eDec. top plate 3.0 lb. (1.4 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"pt10arial\" valign=\"TOP\" width=\"80%\"\u003eApproximately 220 lb. (100 kg) of scope and accessories, depending on length. Recommended for refractors up to 250 mm, 18-20\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd class=\"pt10arial\" valign=\"TOP\"\u003eSuitable\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"pt10link\"\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"20%\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"80%\"\u003e\n\u003cp\u003e9.775\" (248.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eGTOCP4 Servo Drive System Specifications\u003c\/h2\u003e\n\u003ctable class=\"pt10arial\" border=\"1\" cellspacing=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eHigh-torque, zero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arc seconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 2.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eControl Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs this chart shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available.\u003cbr\u003e\u003cbr\u003eYou will be able to link to a full-sized view of this chart.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eIncluded Software:\u003c\/h2\u003e\n\u003ch3\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePEMPro Software, Version 3\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"pt10arial\"\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. You will not need it to correct this mount's periodic error since the Absolute Encoders will do that on a continual basis.  However, the Polar Alignment Wizard is quite useful. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAbsolute Encoders\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for Your 1600GTO\u003c\/h2\u003e\n\u003cp\u003eThe 1600GTO mount has been designed and engineered to accommodate the use of extremely precise Absolute Encoders. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eregarding the encoders and find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arc seconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1600GTO-AE or 1600GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1600GTO without encoders, you may purchase the Absolute Encoder Kit at some point in the future and install them yourself. \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWhat's Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003e1600GTO-AE: 1600GTO German Equatorial Mount with Absolute Encoders (Standard Temperature Range)\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eR.A. and Dec. Renishaw Absolute Encoders, standard temperature version, installed\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box (GTOCP4)\u003c\/li\u003e\n\u003cli\u003e23” Stainless Counterweight Shaft, 1.875\" diameter (M12601-E) and Safety Stop (M12676)\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (CABPP4SET)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (CABSER15)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center, Pro version (APCC-PRO) Software license key\u003c\/li\u003e\n\u003cli\u003eASCOM V2 Driver\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDF of 1600GTO and GTO Keypad instruction manuals\u003c\/li\u003e\n\u003cli\u003eManual: 1600GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eAll required fasteners\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweight: Stainless Steel Counterweights - (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVELM162\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/dovepw\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVEPW\u003c\/a\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/fp1800\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003eD-Style Dovetail Plates\u003c\/a\u003e, 13\" and 16\" Side-by-Side Plates (\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD13SS and SBD16SS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eP-Style (7.65\") Dovetail Plate: 23\" PlaneWave Style Dovetail Plate (\u003ca href=\"https:\/\/www.astro-physics.com\/sbpw23\"\u003eSBPW23\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/pp?attributes=eyIxNDMiOjIwMX0\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 10\" diameter, heights 24\",32\",42\",48\",54\",62\", Advanced Telescope Systems (ATS) Portable Pier or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: 13.8V 15 Amp Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e) or 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e) with Digital Readout\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope with LED Cable for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/pasill4-179\"\u003ePASILL4L-179\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope Adapter for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/q16030\"\u003eQ16030\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.67\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa\"\u003e1612FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1600GTO and all 1200 Mounts - For 10\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa-fp\"\u003e1612FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.astro-physics.com\/piers-tripods\/\"\u003ePier Accessory Trays and Support Bar\u003c\/a\u003e \u003c\/li\u003e\n\u003cli\u003ePowerwerx In-line Watt Meter shows volts, amps, watts, amp-hours, watt-hours. \u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\"\u003e(CABPPWM)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eVideo\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003ch2 style=\"text-align: left;\"\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products: 1600GTO German Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope, the 10 x 60 Vario-Finder with Quick Release Guider Bracket and the Astro-Physics Command Center (APCC) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"p2\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAvailability\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003eThe 1600GTO is currently in production with anticipated delivery starting in the fall 2023.  If you would like to order this mount, please complete the \u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1600-notification\" target=\"_blank\"\u003e1600GTO Notification Request Form\u003c\/a\u003e. We will contact you when a mount is available for you to order. \u003c\/span\u003e\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980776079617,"sku":"1600GTO-AE","price":18950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1600-CP4-2016-10-27__46085.1568839818.jpg?v=1691013443"},{"product_id":"1600gto-german-equatorial-mount-includes-apcc-pro-and-pempro","title":"1600GTO German Equatorial Mount. Includes APCC-PRO and PEMPro","description":"\u003ch2\u003eWhy a 1600GTO?\u003c\/h2\u003e\n\u003cp\u003eThirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into the most robust, high-precision mount in its class. We have enhanced its design and utility by incorporating additional optional features like absolute encoders, sophisticated control systems and a precision polar scope to meet the needs of even the most demanding astro-imager or visual enthusiast.\u003c\/p\u003e\n\u003cp\u003eThe 1600GTO mount is built from the ground up to be a precision imaging platform while still remaining totally user-friendly. Consider these advantages and features:\u003c\/p\u003e\n\u003cp\u003eWe offer three versions: 1600GTO,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ae\"\u003e1600GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ael\"\u003e1600GTO-AEL\u003c\/a\u003e. The latter two versions include the Standard Temperature Absolute Encoders or the Extended Temperature Absolute Encoders, respectively. If you order the 1G00GTO without the absolute encoders, you will be able to purchase them at a later date to install yourself.\u003c\/p\u003e\n\u003ch2\u003eFeatures to Enhance your Observing or Imaging Sessions\u003c\/h2\u003e\n\u003ch3\u003eSemi-Portable\u003c\/h3\u003e\n\u003cp\u003eExtremely solid, rugged, high payload mount, yet the equatorial head comes apart into two components – a true advantage for a mount of this class.\u003c\/p\u003e\n\u003ch3\u003eOperate with 12V battery\u003c\/h3\u003e\n\u003cp\u003eYou can take it to the darkest skies and power it with a commonly available 12V battery. In the observatory, we suggest a minimum 5 amp filtered, regulated power supply like our 13.8-volt, 15-amp Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e). For a heavy payload in cold conditions, we offer a 25 Amp Variable Volt Power Supply\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003e(PSVPW25A\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eAzimuth and Altitude Adjustment is convenient and quick\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMajor altitude adjustments are extremely easy to make. Simply shift the position of the bar into a new slot without having to line up obscure holes referenced in the manual. The large \"captain's wheel\" knob is also very easy to grasp and turn. If you travel to a star party at a different latitude, you can make changes to your setup very quickly. This also allows you to transport the RA assembly in a more compact, zero degree latitude configuration.\u003c\/li\u003e\n\u003cli\u003eAzimuth adjusters are positioned to the rear of mount which allows you to make minor corrections quite easily without reaching or moving around the mount. Since the knobs are in front of you as you look through the polar scope, the graduations can be more easily seen as you dial in your position.\u003c\/li\u003e\n\u003cli\u003eBuilt-in precision-rotating pier adapter for smooth azimuth adjustments.\u003c\/li\u003e\n\u003cli\u003eAltitude range now extends from 0-78 degrees, which makes it suitable for most anyone except the extreme polar locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThrough-the-mount cabling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor cables are built into the mount and routed internally to remove the possibility of snagging.\u003c\/li\u003e\n\u003cli\u003eEasily route additional cables through the large openings in the R.A. and Dec. axes. The top of the Dec. axis separates so that you can add cables with large connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClutches\u003c\/h3\u003e\n\u003cp\u003eUse the clutches to easily balance your setup, then lock the R.A. and Dec. axes so that they cannot move when the motors are engaged. Manual operation is possible if power is not available.\u003c\/p\u003e\n\u003ch3\u003eImage past the meridian\u003c\/h3\u003e\n\u003cp\u003eThe mount will track and guide well past the meridian in either direction if the object is located so that the telescope will clear the pier. This allows the user to set up the mount for a long series of exposures without stopping in the middle to flip sides. One can start the telescope under the mount while pointing at an object in the eastern part of the sky and track it all the way deep into the western sky. This is very useful for long exposure H-alpha or in cases where a large number of individual exposures are needed for stacking. This feature of our GTO mounts has been a real customer favorite for many years.\u003c\/p\u003e\n\u003ch3\u003eEasy polar alignment for critical viewing\u003c\/h3\u003e\n\u003cp\u003eOur optional Right-Angle Polar Alignment Scope will allow you to quickly zero in on the pole or the polar alignment routine in PEMPro (included) will guide you through the process. You can even align the mount during the day with our clever Daytime Polar Alignment Routine (outlined in the Keypad Manual) for solar observing, viewing the planets at twilight, or just getting a jump start on a long night.\u003c\/p\u003e\n\u003ch3\u003eMultiple Options for Controlling your Mount in the Field or in Your Observatory\u003c\/h3\u003e\n\u003cp\u003eYou have your choice of the GTO Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e, optional), which is a full-featured handheld computer, PC computers using a wide variety of software with or without our ASCOM driver, Mac computers or even your mobile smart device (like your iPhone or iPad). \u003c\/p\u003e\n\u003ch3\u003eAuto-Adjusting Motor\/Gearboxes\u003c\/h3\u003e\n\u003cp\u003eOur motor\/gearboxes were designed to be responsive for precision astro-photography, while at the same time making it super easy to use and adjust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"pt10arial\"\u003eSpring-loaded worms maintain full contact under all guiding and slewing conditions\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eAutomatic setting for worm mesh requires no adjustments over long time periods\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003ePrecision balance mechanism allows full backing off the worm from the worm wheel\u003c\/li\u003e\n\u003cli class=\"pt10arial\"\u003eVery low backlash gear train eliminates Dec reversal delays and provides high position accuracy during guiding\u003cbr\u003e\u003cbr\u003e\u003cimg height=\"150\" width=\"360\" alt=\"1600gto-motor-box-sdjust.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/1600gto-motor-box-sdjust.jpg\" title=\"1600gto-motor-box-sdjust.jpg\" class=\"__mce_add_custom__\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbsolute Encoder Option\u003c\/h3\u003e\n\u003cp\u003eAbsolute Encoders on both axes provide error-free tracking, software readable absolute position, and customizable home and limit functions for robotic imaging. This option can be installed when you purchase your mount (order either the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ae\"\u003e1600GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ael\"\u003e1600GTO-AEL\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eversion) or you can purchase the option as an upgrade kit (\u003ca href=\"https:\/\/www.astro-physics.com\/16ae-4-kit\"\u003e16AE-4-KIT\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/16ae-4l-kit\"\u003e16AE-4L-KIT\u003c\/a\u003e) when you are ready to take advantage of its capabilities.\u003c\/p\u003e\n\u003ch2\u003eMechanical Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Mechanical Fabrication\u003c\/strong\u003e\u003cbr\u003eUsing modern CNC machining techniques, we make all components to a high-precision level, which results in a final package that is solid and accurate in all respects. The critical angles are accurately machined so that the mount is orthogonal to a very high degree. This results in pointing accuracies well below 1 arc minute for a properly aligned mount. Massive thrust bearings and preloaded shaft bearings provide excellent stability under all imaging situations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy to Adjust and Maintain\u003c\/strong\u003e\u003cbr\u003eThe design of the 1600GTO is straightforward and easy to maintain. We provide information in the Technical Support section of our website pertaining to typical adjustment issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponents are modular.\u003c\/strong\u003e\u003cbr\u003eAll electronics including the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eGTOCP4\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003econtrol box, motors, gearbox or cables can be removed for servicing. The RA and Dec axes can be shipped separately, if needed.\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGTO Servo Drive System\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eGear Accuracy and PE Performance\u003c\/h2\u003e\n\u003cp\u003eThe GTOCP4 drive system uses a high-quality Swiss DC servo motor controlled by a microprocessor to an accuracy of 0.05 arc-seconds per step. Tracking is very smooth and repeatable from one worm cycle to the next, which enables PE correction to be very accurate. The system can be precisely controlled over a speed range of 4800:1, which allows 0.25x sidereal for manual guiding to 1200x sidereal for 5 degree per second slewing. The circuit draws approximately 0.5 amps when tracking the stars, 2.5 amps with both motors slewing and requires only 12 volts to operate. The servo drive will satisfy the requirements of the sophisticated, advanced astro-imager, yet is easy for the casual, visual observer to use.\u003c\/p\u003e\n\u003cp\u003eThe heart of this mount is a precision gearbox using custom high-quality fine-pitch gears, coupled to a highly accurate worm and worm wheel. These parts are manufactured and assembled at our facility and individually tested to meet or exceed our periodic error specification of 5 arc seconds (+\/- 2.5 arc sec.) before introducing any periodic error correction. The PE is smoothly variant with extremely low ripple or moment to moment error. In contrast, mounts that use commercial gearboxes have very small spur gears with tiny teeth and too few of them. This generally causes ripples in the tracking rate which are difficult to guide out.\u003cbr\u003e\u003cbr\u003eEach mount is rigorously tested on our specialized periodic error tester. Only mounts that provide an accuracy of 5 arc seconds or better will pass this inspection. If the mount exhibits greater error, the substandard part is identified, replaced and the mount is retested.\u003c\/p\u003e\n\u003ch3\u003ePre-loaded PEM Curve\u003c\/h3\u003e\n\u003cp\u003eAs mentioned above, the spec of 5 arc seconds (+\/- 2.5 arc sec.) is the maximum native mechanical error inherent in the mount's RA axis WITHOUT any software correction. In order to optimize performance even further, we generate a unique PE curve for each mount that we program into each GTOCP4 Control Box. Simply use the optional Keypad or your Astro-Physics software (ASCOM V2 driver, PulseGuide or APCC) to turn the PE Correction \"on\" and you will see results significantly better than our published 7 arc second spec without additional PEMPro runs! However, you may use PEMPro to further refine your PE, if you chose to do so.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ae\"\u003e1600GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ael\"\u003e1600GTO-AEL\u003c\/a\u003e: If you purchase either of these versions that feature absolute encoders, the final in-house PEM correction run will utilize the corrections of the absolute encoders and the values will be stored in the GTOCP4 Control Box.\u003c\/p\u003e\n\u003ch3\u003eGTOCP4 Control Box\u003c\/h3\u003e\n\u003cp\u003eThe GTOCP4 Control Box offers multiple connection options to suit your requirements including Wi-Fi, ethernet, USB and serial ports. In addition to all the features carried forward from previous control boxes, the GTOCP4 applies safety slew logic to all slew commands. Future firmware updates will be available via downloads from the Software Updates tab of our website.\u003c\/p\u003e\n\u003cp\u003eThe GTOCP4 contains all of the circuitry to drive the two servo motors and the logic required to navigate the sky. It can be easily removed from the mount, if required. The 1100GTO uses the same GTOCP4 Control Box as the 1600GTO and Mach1GTO. In fact, the control boxes for all three mounts are interchangeable with one another in an emergency. However, the absolute encoder function is only available in the control boxes sold with the 1100 and 1600 mounts with encoders installed.\u003c\/p\u003e\n\u003cp\u003eBe sure to review\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/gtocp4\"\u003eextensive information regarding the GTOCP4\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe Keypad (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e) is a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eDimension Calculator\u003c\/h2\u003e\n\u003cp\u003eTo determine the appropriate pier height for your system and to calculate many of the dimensions that vary with your latitude setting, please try this Excel spreadsheet\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/latitude-dimension-calc.xls\" target=\"_blank\"\u003eLatitude Dimension Calculator\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eAll CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e10.3\" (262 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWorm gear - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.22\" (31 mm) diameter special low-wear alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAxis shaft - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e3.74\" (95 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eShaft axis bearings - R.A. \u0026amp; Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e5.71\" (145 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e0 to 78 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003eApproximately 13 degrees (+\/- 6.5 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e1.875\" (47.6 mm) diameter x 22\" (559 mm) useable length, incl. large machined safety stop knob. Optional 8.675\" (220 mm) shaft extension available. Weight 17.2 lb. (7.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003eR.A. axis\/polar fork: 63.7 lb. (28.9 kg)\u003cbr\u003eDec. axis: 40.0 lb. (18.1 kg)\u003cbr\u003eDec. top plate 3.0 lb. (1.4 kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\" class=\"pt10arial\"\u003eApproximately 220 lb. (100 kg) of scope and accessories, depending on length. Recommended for refractors up to 250 mm, 18-20\" Cassegrains, Ritchey-Chretiens and CDKs.\u003cbr\u003e\u003cbr\u003eThese are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eInstrument mounting interface\u003c\/td\u003e\n\u003ctd valign=\"TOP\" class=\"pt10arial\"\u003eSuitable\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"pt10link\"\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mounting-plates\/\"\u003emounting plates\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\" valign=\"TOP\"\u003ePier adapter base diameter\u003c\/td\u003e\n\u003ctd width=\"80%\" valign=\"TOP\"\u003e\n\u003cp\u003e9.775\" (248.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eGTOCP4 Servo Drive System Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eHigh-torque, zero-cogging Swiss DC servo motors, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor encoder\u003c\/td\u003e\n\u003ctd\u003e2000 tic quadrature yielding an effective resolution of 0.050 arc seconds per tic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor reduction gear train\u003c\/td\u003e\n\u003ctd\u003e57.6:1 gear reduction through a custom built set of large diameter, fine-toothed, precision, spur gears for vastly superior performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP4 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e~ 0.3 to 0.6 amps at 13.8 volts - tracking\u003cbr\u003e~ 1.3 to 2.5 amps at 13.8 volts - both motors slewing at 1200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003eNominal 12 volt DC supply at minimum of 5 amps continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e+\/- 2.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e5 degrees \/ second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eControl Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs this chart shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available.\u003cbr\u003e\u003cbr\u003eYou will be able to link to a full-sized view of this chart.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eIncluded Software:\u003c\/h2\u003e\n\u003ch3\u003eAstro-Physics Command Center, Pro Version (APCC-PRO) \u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAPCC-PRO provides advanced mount control features useful for local or remote operation of your Astro-Physics GTO mount. It was developed by Ray Gralak, the author of PulseGuide and PEMPro, in collaboration with Astro-Physics.  This software package features a dual-pointing model for both normal and counterweight UP orientation, dual-axis tracking rate correction for RA and Dec, APPM application to acquire pointing and tracking model data, many safety features and much, much more. Please refer to the \u003ca href=\"https:\/\/www.astro-physics.com\/apcc\"\u003eAPCC-PRO\u003c\/a\u003e webpage for more information. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePEMPro Software, Version 3\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"pt10arial\"\u003ePEMPro (Periodic Error Management Professional), Version 3, by Sirius Imaging is included with this mount. It is a very powerful Windows software application that allows you to correct your mount's periodic error, polar alignment and backlash using your CCD Camera or Webcam to dramatically improve tracking and guiding. As mentioned previously, our extensive testing procedures include several PEM correction runs so that your new mount will perform with optimum PE correction out of the box. Simply use the Keypad, the ASCOM driver or APCC software to turn PE Correction \"on.\" Although you will not need to use PEMPro when you receive your mount, you may wish to do a PEMPro run at a later date after the worm gear has run in. Depending on usage, re-measuring error and re-loading periodic error correction from one to four times a year is a good practice, especially if you do some unguided images from time to time. PEMPro also includes a powerful polar alignment routine.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAbsolute Encoders\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eAbsolute Encoders for Your 1600GTO\u003c\/h2\u003e\n\u003cp\u003eThe 1600GTO mount has been designed and engineered to accommodate the use of extremely precise Absolute Encoders. You may either order them fully installed on your mount (\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ae\"\u003e1600GTO-AE\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600gto-ael\"\u003e1600GTO-AEL\u003c\/a\u003e) or purchase the Absolute Encoder Kit  (\u003ca href=\"https:\/\/www.astro-physics.com\/16ae-4-kit\"\u003e16AE-4-KIT\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/16ae-4l-kit\"\u003e16AE-4L-KIT\u003c\/a\u003e)at some time in the future. We invite you to review the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eregarding the encoders and find out what they can do for you.  \u003c\/p\u003e\n\u003cp\u003eAbsolute Encoders allow the mount to know its exact location regardless of accidental software errors and will allow its recovery. This is particularly important in remote setups. Furthermore, they virtually eliminate periodic error, reducing it below 0.2 arc seconds in our tests.\u003c\/p\u003e\n\u003cp\u003eIf you order the 1600GTO-AE or 1600GTO-AEL, the R.A. and Dec. encoders will be installed and fully tested with the mount prior to shipment. However, if you purchase the 1600GTO without encoders, you may purchase the Absolute Encoder Kit (16AE-4-KIR or 16AE-4L-KIT) at some point in the future and install them yourself.  Please note that the price and availability of the encoder kits may change over time. \u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWhat's Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003e1600GTO German Equatorial Mount\u003c\/h2\u003e\n\u003cul class=\"pt10arial\"\u003e\n\u003cli\u003ePolar Fork \/ Right Ascension Axis (R.A.) Assembly\u003c\/li\u003e\n\u003cli\u003eDeclination Axis (Dec.) Assembly\u003c\/li\u003e\n\u003cli\u003eGTOCP4 Servo Control Box (GTOCP4)\u003c\/li\u003e\n\u003cli\u003e23” Stainless Counterweight Shaft, 1.875\" diameter (M12601-E) and Safety Stop (M12676)\u003c\/li\u003e\n\u003cli\u003ePower Cable Set for GTOCP4, includes 6' Cable with PowerPole Connector, 18\" Cable with Cigarette Lighter Plug and 18\" Cable with Ring Terminals (CABPP4SET)\u003c\/li\u003e\n\u003cli\u003e15' Straight-through Serial Cable (CABSER15)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eAstro-Physics Command Center PRO version  (APCC-PRO) software license key\u003c\/li\u003e\n\u003cli\u003eASCOM V2 Driver\u003c\/li\u003e\n\u003cli\u003eUSB thumb drive containing: PEMPro v3 Software written by Ray Gralak of Sirius Imaging. Also, PDF of 1100GTO and GTO Keypad instruction manuals\u003c\/li\u003e\n\u003cli\u003eManual: 1600GTO German Equatorial\u003c\/li\u003e\n\u003cli\u003eManual: GTOCP4 Servo Motor Drive System\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eItems that You will Need for Your Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweight: Stainless Steel Counterweights - (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSaddle Plate:\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVELM162\u003c\/a\u003e,\u003ca href=\"https:\/\/www.astro-physics.com\/dovepw\"\u003e\u003cspan\u003e \u003c\/span\u003eDOVEPW\u003c\/a\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/fp1800\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD-Style (3\") Dovetail Plate: Check out our wide selection of D-Style Dovetail Plates, 13\" and 16\" Side-by-Side Plates (\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD13SS and SBD16SS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eP-Style (7.65\") Dovetail Plate: 23\" PlaneWave Style Dovetail Plate (\u003ca href=\"https:\/\/www.astro-physics.com\/sbpw23\"\u003eSBPW23\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePier:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/pp?attributes=eyIxNDMiOjIwMX0\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 10\" diameter, heights 24\",32\",42\",48\",54\",62\"; Advanced Telescope Systems (ATS) Portable or Permanent Pier or build your own permanent pier\u003c\/li\u003e\n\u003cli\u003eRegulated Power Supply: 13.8V 15 Amp Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/ps138v15a\"\u003ePS138V15A\u003c\/a\u003e) or 25 Amp Variable Volt Power Supply (\u003ca href=\"https:\/\/www.astro-physics.com\/psvpw25a\"\u003ePSVPW25A\u003c\/a\u003e) with Digital Readout\u003c\/li\u003e\n\u003cli\u003ePortable Rechargeable 12-volt Battery Pack: Several sizes and types are available from a variety of vendors. Be sure that your battery pack can supply adequate power for an entire observing session! We recommend having separate batteries - one for the mount and another for all other accessories: camera, dew removers, etc. We do not offer any battery packs at this time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Accessories to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with LED Illuminator - 1600GTO, 1100GTO, Mach1GTO and all 900 and 1200 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope with LED Cable for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/pasill4-179\"\u003ePASILL4L-179\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eLosmandy Polar Alignment Scope Adapter for 1100GTO and 1600GTO (\u003ca href=\"https:\/\/www.astro-physics.com\/q16030\"\u003eQ16030\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e8.67\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa\"\u003e1612FSA\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Adapter with Flat Pier Plate for 1600GTO and all 1200 Mounts - For 10\" ATS and other non-Astro-Physics piers (\u003ca href=\"https:\/\/www.astro-physics.com\/1612fsa-fp\"\u003e1612FSA-FP\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/piers-tripods\/\"\u003ePier Accessory Trays and Support Bar\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003ePowerwerx In-line Watt Meter shows volts, amps, watts, amp-hours, watt-hours. \u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\"\u003e(CABPPWM)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eVideo\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eNortheast Astronomy Forum (NEAF) 2016\u003c\/h2\u003e\n\u003cp\u003eDuring the 2016 Northeast Astronomy Forum (NEAF),Roland Christen of Astro-Physics demonstrated some of the functions of the Auto-Adjusting Motor\/Gearboxes, the Absolute Encoders and GTOCP4 Control Box (begins at 4:14). Dennis DiCicco, editor of Sky \u0026amp; Telescope magazine, opens the interview with a discussion of the 17\" f8 Flat Field Astrograph.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ymDk4Fyc5ZE\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003ch2 style=\"text-align: left;\"\u003eNortheast Astronomy Forum (NEAF) 2013\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eThe 1100GTO was introduced at the Northeast Astronomy Forum (NEAF) in Suffern, NY in April 2013. In the video below, George Whitney, from the Astro-Physics Technical Support staff, explains key features of the 1100GTO in an interview conducted by Dennis DiCicco, Sky \u0026amp; Telescope editor. We also invite you to view the entire video for demonstrations of these additional exciting products: 1600GTO German Equatorial mounts with discussion of the Absolute Encoder System used in both the 1100GTO and 1600GTO mounts, Right-Angle Polar Alignment Scope, the 10 x 60 Vario-Finder with Quick Release Guider Bracket and the Astro-Physics Command Center (APCC) software.\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003ciframe height=\"360\" width=\"640\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/qBMBqoh9WI4?rel=0\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"p2\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAvailability\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cspan\u003eThe 1600GTO is currently in production with anticipated delivery starting in the fall 2023.  If you would like to order this mount, please complete the \u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/1600-notification\" target=\"_blank\"\u003e1600GTO Notification Request Form\u003c\/a\u003e\u003cspan\u003e. We will contact you when a mount is available for you to order. \u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980782600449,"sku":"1600GTO","price":13450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1600-CP4-2016-10-27__31020.1548013592.jpg?v=1691014432"},{"product_id":"mach2gto-german-equatorial-mount","title":"Mach2GTO German Equatorial Mount","description":"\u003cp\u003eWe are thrilled to offer our Mach2GTO Universal Robotic mount that sets a new standard for portable telescope mounts. It is so easy to use that you will be up and running in no time at all and the mount will simply disappear into the background. No fuss, no bother.\u003c\/p\u003e\n\u003cp\u003eUniversal Robotic means that Mach2 fulfills all of the requirements of a robotic mount for automated operation for imaging, satellite tracking, comet tracking, star survey work and others. In addition, the clutches allow it to be used manually for star sweeping. It is so easy to use that it can be set up quickly in the field with minimal effort and no complicated startup routines. The encoders keep track of the axis positions at all times whether parked, unparked, power on or power off.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePolar Align, Power Up and Go!\u003c\/li\u003e\n\u003cli\u003eRenishaw Absolute Encoder for the ultimate in precise tracking - no SDE or random errors above 1\/4 arc sec. Extended Temperature option available. \u003c\/li\u003e\n\u003cli\u003eAbsolute encoder provides near zero tracking error and resists outside influences such as wind and cable drag\u003c\/li\u003e\n\u003cli\u003ePrecision balancing via the clutches without taking the worm gears out of mesh\u003c\/li\u003e\n\u003cli\u003eBrushless Micro-step Servo System for precise and whisper-quiet slewing and tracking\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual-model pointing and tracking rate correction even with the telescope in the counterweight UP position. using\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/apcc-pro\" data-mce-href=\"https:\/\/www.astro-physics.com\/apcc-pro\"\u003eAstro-Physics Command Center (APCC) Pro version\u003c\/a\u003e, included\u003c\/li\u003e\n\u003cli\u003eCustom tracking rates in both axes (for asteroids, comets, satellites)\u003c\/li\u003e\n\u003cli\u003eAuto-Adjusting gear mesh\u003c\/li\u003e\n\u003cli\u003eImage all night without meridian flip, as long as your scope clears\u003c\/li\u003e\n\u003cli\u003eDaytime polar alignment is now simplified since we have encoders to set the positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision azimuth adjuster with rotating base\u003c\/li\u003e\n\u003cli\u003eBuilt-in bubble level\u003c\/li\u003e\n\u003cli\u003eRight-angle polar alignment scope (optional) \u003c\/li\u003e\n\u003cli\u003eInternal USB 3.0 cable\u003c\/li\u003e\n\u003cli\u003eFully supported enhanced ASCOM driver \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eThreaded for QHY Polemaster AP900 adapter (shown in photo)\u003c\/li\u003e\n\u003cli\u003ePortable – 42 lbs\u003c\/li\u003e\n\u003cli\u003eOperate with 12V battery or up to 24V power supply\u003c\/li\u003e\n\u003cli\u003eIdeal for 6-7” refractors, 8-12” SCTs and Maks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGTO Servo Drive System\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch3\u003eGTOCP5 Control System\u003c\/h3\u003e\n\u003cp\u003eOur GTOCP5 control system combines the precision performance of the Renishaw Resolute Absolute Encoder with the whisper-quiet motion of brushless micro-step servo motors to produce a very accurate observatory-grade mount that can also be set up in just a few minutes in the field. The mount can be operated manually via the clutches or electronically with the encoder loop providing the pointing and tracking functions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse of Absolute Encoders means that the mount always knows where the axes are pointing and doesn't need to establish home on power-up.\u003c\/li\u003e\n\u003cli\u003eThe mount can be operated manually via the clutches or in full GoTo mode via keypad or external software.\u003c\/li\u003e\n\u003cli\u003eAbsolute Encoders are extremely accurate in slewing, pointing, tracking, guiding. Periodic error and backlash, reversal delays in Dec are eliminated.\u003c\/li\u003e\n\u003cli\u003eRapid feed-forward servo loop stiffens the axes against outside disturbances such as cable drag and wind loading.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoth axes can be run at custom tracking rates from sub-arc second motions per hour to 1000x sidereal.\u003c\/li\u003e\n\u003cli\u003eThe GTOCP5 brushless servo system can be run from 12 volts to 24 volts with max slewing from 1200X (5 deg\/sec) to 1800X (7.5 deg\/sec).\u003c\/li\u003e\n\u003cli\u003eThe power to the motors is self-limiting and cannot cause any kind of damage to the windings or the electronics, even when in a stalled state.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGTO Keypad (optional purchase)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKeypad\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eis a self-contained computer that allows you to control all essential telescope functions and includes an extensive database of objects. The new V5 version includes modeling routines for pointing, tracking and orthogonality.  Many people do not want to bother with a computer in the field and like the handiness of the Keypad and its ability to operate in very cold temperatures. The Keypad is an ideal choice for these users.\u003cbr\u003e\u003cbr\u003eWe have designed the interface and firmware to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003ch3\u003eOptimized for Astronomy\u003c\/h3\u003e\n\u003cp\u003eAstro-Physics mounts and the Astro-Physics GTO Servo Control System are designed from the outset as tools for celestial observing and imaging.  These mounts do not have any military or defense applications. Applications like missile, airplane, or very low earth orbit satellite tracking require faster tracking rates and more rapid changes to those tracking rates than our mounts allow.   Note that the ISS is generally within the mount’s tracking rate capabilities. \u003c\/p\u003e\n\u003ch5\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAbsolute Encoders\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eMach2GTO and Renishaw Absolute Encoders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMach2 Tracking Performance with Absolute Encoders - PE = 0.21 arc seconds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"255\" width=\"850\" alt=\"mach2-enc-perf2.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/mach2-enc-perf2.jpg\" title=\"mach2-enc-perf2.jpg\" class=\"__mce_add_custom__\"\u003e\u003c\/p\u003e\n\u003cp\u003eAll of our 1100GTO and 1600GTO mounts with Absolute Encoders installed have always used the Renishaw Resolute Absolute Encoders for precise positioning and tracking. Now our newest mount, the Mach2 has the Renishaw Resolute encoder built into every mount. What are the main differences between the Renishaw and other less expensive relative encoders?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLab Certified Accuracy! \u003cbr\u003e\u003c\/strong\u003eThe Renishaw encoder accuracy is verified against a laboratory standard. Each ring comes certified with its own calibration measurement. The maximum guaranteed error on these rings translates to less than 1\/2 arc second per hour tracking error.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest Resolution for Unparalleled Tracking Accuracy!\u003c\/strong\u003e\u003cbr\u003eThe Renishaw Resolute read-head interpolates a special barcode that is engraved on the matching stainless steel ring into 67 million individual addresses. Every address is unique and fully reproducible down to sub-arc second levels. This is not possible with any relative encoder system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRipple and Resonances – NOT with Astro-Physics!! \u003cbr\u003e\u003c\/strong\u003eRelative encoders use a simple ring that has engraved marks with separations on the order of 60 to 100 arc seconds between ticks. In order to achieve sub-arc second resolution, the gaps between these marks are filled in electronically by a method known as interpolation. Even the best interpolation methods have errors on the order of 5% (3 to 5 arc seconds). When used in a telescope drive system these relative encoders introduce a fast moving ripple in the RA tracking rate of 3 to 5 arc seconds, although the average or RMS value of this error can be quite low.\u003c\/p\u003e\n\u003cp\u003eThese peak excursions cause stars to move slightly back and forth in the RA direction during sidereal tracking. This tracking ripple can remain hidden when imaging with short wide-field scopes, but will manifest itself when using long focus instruments for high resolution work. It is generally a fast moving error, so it cannot be guided out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo Sub-divisional Error! \u003cbr\u003e\u003c\/strong\u003eBecause of the ever present interpolation error (SDE) with low-cost relative encoders, we decided long ago that we would not use them for tracking. Renishaw absolute encoders use a different type of interpolation system that smooths out the SDE to a level that is not detectable. There is no mechanism for a relative encoder to remove the SDE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNever Needs Homing. Simply Polar Align; Power Up; and GO!! \u003cbr\u003e\u003c\/strong\u003eAn absolute encoder never needs to be homed. It is always home the minute power is applied. It always knows where it is and transmits the exact shaft position to the control box at all times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDependability to Astro-Physics Standards!\u003c\/strong\u003e\u003cbr\u003eWe have used Renishaw encoders for many years on our larger mounts, both in portable setups and in observatory remote installations. They have been totally reliable. Renishaw encoders are also considered to be the gold standard in the machine tool and robotics industries where precision is required. Yes, they are much more expensive than a simple relative encoder, but for the type of accuracy required in a telescope mount, there is nothing out there that comes close. We know, we have been evaluating options for years.\u003c\/p\u003e\n\u003ch2\u003eBenefits of Absolute Encoders\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cspan\u003eThe utility of absolute encoders varies from one mount brand to another.  Some manufacturers make very limited use of encoders and use relative (not absolute) encoders to provide a potential benefit to tracking and nothing else.  In regards to the Mach2GTO, the benefits are:\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe mount always knows where it is pointed regardless of power loss, movement of the axes when the power is off, bumping the mount or wind movement. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eNo rehoming is required for remote locations should there be a power loss.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePeriodic error is fully corrected. No need for occasional PE measurement curves.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eZero backlash in both axes for precision guiding.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDual-axis absolute encoders allow for variable tracking that automatically adjusts for refraction parameters.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVery accurate pointing makes it easy to find very faint objects.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVery precise tracking such that unguided imaging may be accomplished with an appropriate optical\/imaging setup.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVery precise guiding, if needed, with instant response in both axes.  Guiding is only needed to correct for optical\/imaging train issues, not mount issues.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrects for polar misalignment and repeatable mechanical flexure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVery precise dual-axis tracking is very important for high precision tracking on objects like comets, asteroids, artificial satellites, where the mounts use a \"self-guiding\" function based on orbital elements.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWe invite you to review the additional \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/products\/mounts\/absolute-encoders\/1600-1100ae.htm\" target=\"_blank\"\u003etechnical information regarding the encoders\u003c\/a\u003e\u003cspan\u003e to find out what they can do for you.  \u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv class=\"page-content\"\u003e\n\u003cdiv class=\"productView\"\u003e\n\u003carticle class=\"productView-description\" itemprop=\"description\"\u003e\n\u003cdiv class=\"tabContainer\"\u003e\n\u003cdiv class=\"custom-row\"\u003e\n\u003cdiv class=\"column large-12\"\u003e\n\u003carticle class=\"tab-inner productView-description1 ProductInfoTab r-tabs\" itemprop=\"description\"\u003e\n\u003cdiv class=\"tab-content has-jsContent r-tabs-panel r-tabs-state-active\" id=\"newtab2\"\u003e\n\u003cdiv class=\"prodAccordionContent\"\u003e\n\u003ch2\u003eMechanical Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eConstruction\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e\u003cspan\u003eAll parts CNC machined aluminum, stainless steel, brass bar stock; stainless steel fasteners\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eFinishing and Assembly\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003eEvery part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWorm wheel - R.A.\/Dec.\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e5.9\" (150 mm), 225 tooth aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eWorm gear - R.A.\/Dec.\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003e0.71\" (17.9 mm) diameter, brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eAxis shaft - R.A.\/Dec.\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003e1.77\" (45 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003e0 to 68 degrees, engraved scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eAzimuth adjustment\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003eApproximately 13 degrees (+\/- 6.5 degrees from center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eDiameter of base\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003e5.80\" (147.32 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eWeight of mount\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003eTotal: 42 lb. (19.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"23%\" valign=\"TOP\"\u003eCounterweight shaft\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\"\u003e1.875” (47.6 mm) diameter x 13.625\" (346 mm) usable length, incl. washer and safety knob. Weight 10.9 lb. (4.9 kg). For light-weight scopes you may not need any counterweights!\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eCapacity\u003c\/td\u003e\n\u003ctd width=\"77%\" valign=\"TOP\" class=\"pt10arial\"\u003eApproximately 75 lb. (34 kg) scope and accessories only (maximum capacity depends on scope diameter). Refer to the graphic that discusses weight capacity calculation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003ch2\u003eGTO Drive Specifications\u003c\/h2\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"20%\"\u003eElectronic components\u003c\/td\u003e\n\u003ctd width=\"80%\"\u003eRated for industrial and automotive applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eBrushless micro-step servo system, enclosed in machined aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsolute Encoders\u003c\/td\u003e\n\u003ctd\u003eR.A. and Declination axes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error (native)\u003c\/td\u003e\n\u003ctd\u003e0.25” arc seconds peak-to-peak, 0.05 RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Motor Control Box\u003c\/td\u003e\n\u003ctd\u003eGTOCP5 Control Box, removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand-held computer (optional)\u003c\/td\u003e\n\u003ctd\u003eGTO Keypad to control all mount functions. Includes extensive databases and tour features in a simple, intuitive interface. Firmware updates via the internet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNominal 12 to 24 Volt DC supply, minimum of 5 amps continuous\u003cbr\u003e12 Volts: Tracking - 1.5 amps DC,  Slewing, max rate 1200x, 4.2 amps (50 watts), both axes slewing\u003cbr\u003e24 Volts: Tracking - 0.8 amps DC,  Slewing, max rate 1800x, 3.6 amps (86 watts), both axes slewing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum slew speed\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e5 degrees \/ second at 12V\u003cbr\u003e7.5 degrees \/ second at 24V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg height=\"537\" width=\"1025\" alt=\"capacity.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/capacity.png\" title=\"capacity.png\" class=\"__mce_add_custom__\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product_below_content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eControl Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eFlexible Control with Your Keypad, Computer or even your Mobile Smart Device!\u003c\/h2\u003e\n\u003cp\u003eAs this chart shows, there are many options available for controlling your mount. Take a few minutes to\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" class=\"pt10link\"\u003elink to descriptions of the varied software and devices\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ethat are available.  You will be able to link to a full-sized view of this chart.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003cimg height=\"400\" width=\"500\" alt=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" title=\"cp4-control.jpg\" class=\"__mce_add_custom__\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWhat's Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ch2\u003eMach2GTO German Equatorial Mount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMach2GTO Equatorial Head with Dual Absolute Encoders \u003c\/li\u003e\n\u003cli\u003eGTO Servo Control Box (GTOCP5)\u003c\/li\u003e\n\u003cli\u003eControl Box Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/cbapt\"\u003eCBAPT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e13.675\" Stainless Steel Counterweight Shaft, 1.875\" (47.6 mm) diameter with Machined Safety Stop Knob (\u003ca href=\"https:\/\/www.astro-physics.com\/m12676\"\u003eM12676\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e6' Cable with PowerPole Connector (\u003ca href=\"https:\/\/www.astro-physics.com\/cabpp?attributes=eyIxNDAiOjE2NX0\"\u003eCABPP6\u003c\/a\u003e) and Clip\u003c\/li\u003e\n\u003cli\u003e1\/4-20 Machined Knob Kit (\u003ca href=\"https:\/\/www.astro-physics.com\/m1485kbkit\"\u003eM1485KBKIT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eAllenhead wrench set\u003c\/li\u003e\n\u003cli\u003eAC-DC Power Supply, universal 85-240V to 24V DC at 10 amps\u003c\/li\u003e\n\u003cli\u003eASCOM driver, available by download\u003c\/li\u003e\n\u003cli\u003eAPCC Software, Pro version (\u003ca href=\"https:\/\/www.astro-physics.com\/apcc-pro\"\u003eAPCC-PRO\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eThumb Drive containing: PDFs of manuals and other handy utilities.\u003c\/li\u003e\n\u003cli\u003eManuals: Mach2GTO German Equatorial and GTOCP5\u003c\/li\u003e\n\u003cli\u003eRegistration Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eItems You will Need for Your Mount\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCounterweights: Stainless Steel Counterweights - 5, 10, 18 lb.  (\u003ca href=\"https:\/\/www.astro-physics.com\/counterweights\/\"\u003e5SCWT, 10SCWT, 18SCWT, 30SCWT188\u003c\/a\u003e) (due to larger diameter 30SCWT188 cannot be used at top of the shaft)\u003c\/li\u003e\n\u003cli\u003eMounting Plates:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovedv10\"\u003eDOVEDV10\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/dovelm162\"\u003eDOVELM162\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePier or Tripod:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eAstro-Physics Eagle Adjustable Folding Pier (\u003ca href=\"https:\/\/www.astro-physics.com\/eagle6-ez\"\u003eEAGLE6-EZ\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eBerlebach Planet Tripod (\u003ca href=\"https:\/\/www.astro-physics.com\/awtber2\"\u003eAWTBER2\u003c\/a\u003e).  You will also need the Control Box Extension Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/q6280kit\"\u003eQ6280KIT\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eFlat Surface Tripod Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/adatri\"\u003eADATRI\u003c\/a\u003e) if you wish to attach to a flat surface\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.astro-physics.com\/xxpp\"\u003eAstro-Physics Portable Pier\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- 6\" diameter, height: 24\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eRefer to USB 3.0 Internal Cable Considerations below to plan your cable requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Accessories to Consider\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGTO Keypad with 15' Coiled Cable and Keypad Protector (\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2\"\u003eKEYVFK2\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eRight-Angle Polar Alignment Scope with Illuminator (\u003ca href=\"https:\/\/www.astro-physics.com\/rapas\"\u003eRAPAS\u003c\/a\u003e), requires Bracket listed below\u003c\/li\u003e\n\u003cli\u003eBracket to Attach Right-Angle Polar Alignment Scope Adapter to Mach2GTO Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/rapm2\"\u003eRAPM2\u003c\/a\u003e) \u003c\/li\u003e\n\u003cli\u003ePier Accessory Trays (\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1Nn0\"\u003eTRAY06\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/tray?attributes=eyIxMzgiOjE1N30\"\u003eTRAY06H\u003c\/a\u003e) and Support Bars (\u003ca href=\"https:\/\/www.astro-physics.com\/traysb1\"\u003eTRAYSB1\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/traysb\"\u003eTRAYSB\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eSide-by-Side Dovetail Plates for D-Style Dovetail Saddles (\u003ca href=\"https:\/\/www.astro-physics.com\/sbdxx?attributes=eyIxMzEiOjEyNn0\"\u003eSBD13SS, SBD18SS\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eTripod Adapter (\u003ca href=\"https:\/\/www.astro-physics.com\/adatri\"\u003eADATRI\u003c\/a\u003e) - attach to tripod or other flat surface\u003c\/li\u003e\n\u003cli\u003eMount Adapter: to attach Losmandy HD Tripod or Losmandy MA Meade Field Tripod Adapter to Astro-Physics 400\/600\/900\/Mach1\/Mach2 Mounts (\u003ca href=\"https:\/\/www.astro-physics.com\/lt2apm\"\u003eLT2APM\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e10.7\" x 1.875\" Counterweight shaft (\u003ca href=\"https:\/\/www.astro-physics.com\/m1053-a\"\u003eM1053-A\u003c\/a\u003e) to use with very small scopes. \u003c\/li\u003e\n\u003cli\u003e16.975\" x 1.875\" Counterweight Shaft (\u003ca href=\"https:\/\/www.astro-physics.com\/m9404-b\"\u003eM9404-B\u003c\/a\u003e) for heavier loads rather than adding a shaft extension. \u003c\/li\u003e\n\u003cli\u003e14.5\" x 1.125\" Counterweight Shaft (\u003ca href=\"https:\/\/www.astro-physics.com\/m8084-b\"\u003eM8084-B\u003c\/a\u003e) - use with corresponding counterweights that you may already own\u003c\/li\u003e\n\u003cli\u003eAlligator Clips with APC Fuse to PowerPole Connector (\u003ca href=\"https:\/\/www.astro-physics.com\/cabppal\"\u003eCABPPAL\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003ePowerwerx In-line Watt Meter shows volts, amps, watts, amp-hours, watt-hours. \u003ca href=\"https:\/\/www.astro-physics.com\/cabppwm\"\u003e(CABPPWM)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUSB 3.0 Internal Cable Considerations\u003c\/h3\u003e\n\u003cp\u003eAs mentioned, the mount includes an internal USB 3.0 cable for your convenience. It is important to remember that passive USB 3.0 cables (including the 2 foot internal cable) can be no more than 9 feet (3 meters) in length from a powered port and passive USB 2.0 cables can be no more than 15 feet (5 meters) in length from a powered port. With that in mind, you will need to plan your computer cabling carefully. With USB, shorter is better.  These are our current recommendations:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnecting Computer to Mount Internal Input\u003c\/strong\u003e\u003cbr\u003eThese connections are made to the Mach2GTO Back Plate on the RA axis.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eUsing USB 3.0 Active Cable and Short USB Cable\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB 3.0 Active Cable (male A-to-female A).  Example: Tripp Lite USB 3.0 Active Extension Repeater Cable (USB-A M\/F) \u003c\/li\u003e\n\u003cli\u003eUSB 3.0 male A-to-male A Cable for Data Transfer (short cable).  Example: UGREEN USB 3.0 Type A Male-to-Type A Male Cable for Data Transfer, 1.5-ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConnecting Mount Internal Output to Communication\/Power Hubs\u003c\/strong\u003e\u003cbr\u003eThese connections are made to the Dec axis Top Plate just under your mounting plate.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eUsing Pegasus Astro “Ultimate Powerbox V2” and “Pocket Powerbox Advance”\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB 3.0 male A-to-male B Cable (standard)\u003c\/li\u003e\n\u003cli\u003eCustom 12 volt Cables with Anderson Powerpole Connector to XT-60 Female Connector (Ultimate Powerbox) or RCA Male Connector (Powerbox Advance).  It is recommended to use a 16 to 18 AWG cable. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eUsing USB 3.0 Communication Hub and RIGRunner Power Distribution\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB 3.0 male A-to-male B Cable (standard)\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 Powered Hub.  Example: Gearmo USB 3.0 4-Port Industrial Metal Hub w\/15KV ESD Protection\u003c\/li\u003e\n\u003cli\u003ePowerwerx Power Distribution\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 12 volt Cables with Anderson Powerpole Connectors\u003c\/li\u003e\n\u003cli\u003e4 Position Power Distribution Block for 15\/30\/45A Powerpole Connectors\u003c\/li\u003e\n\u003cli\u003eWest Mountain Radio RIGrunner 4005\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eUsing Primaluce Lab Eagle3 Communication Hub and Power Distribution\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB 3.0 male A-to-male B Cable (standard)\u003c\/li\u003e\n\u003cli\u003ePrimaluce 12 volt Power Cable to Anderson Powerpole Connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eManuals\u003c\/b\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/mach2gto\/mach2-22-0421-web.pdf\" target=\"_blank\"\u003eMach2GTO German Equatorial\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/cp5-update\/cp5-manual.pdf\" target=\"_blank\"\u003eGTOCP5 Control Box\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5 class=\"p1\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAvailability\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cp\u003e\u003cspan class=\"s1\" data-mce-fragment=\"1\"\u003eThe Mach2GTO is in production. Please complete the \u003ca href=\"https:\/\/form.jotform.com\/AstroPhysics\/mach2-notification\" target=\"_blank\"\u003eMach2GTO Notification Request Form\u003c\/a\u003e if you would like to be notified when a mount is available for you to order.\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980785287425,"sku":"MACH2GTO","price":12085.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/254_source_1632499674.jpg?v=1691014934"},{"product_id":"gtocp4-control-box-for-all-gto-mounts-except-mach2gto-order-new-2-pin-power-cable","title":"GTOCP4 Control Box for all GTO Mounts, except Mach2GTO - Order new 2-Pin power cable","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 \u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/cp4-upgrade-inst.pdf\" target=\"_blank\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/cp4-upgrade-inst.pdf\"\u003eUpgrade and Installation Guide\u003c\/a\u003e (PDF document) provides information about attaching the CP4 to the mount that you already own and which parts you will need to order. All mounts will need a\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.com\/cabpp\" data-mce-href=\"https:\/\/www.astro-physics.com\/cabpp\"\u003enew power cable\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003esince the connector is not the same as previous control boxes.  \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Mach2GTO has its own dedicated GTOCP5 due to the different motor driver. All other functions will be the same in the GTOCP4 and GTOCP5. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAll new, completely redesigned with modern chip technology resulting in faster processing speed and increased memory capacity for future feature additions. GTOCP4 supports floating point operands to improve calculation accuracy and coordinate conversions.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDirect download of future firmware updates for the GTOCP4 (very quick and easy).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUSB 2.0. Ruggedized version is rated for very warm and cold temperatures and is dust tight and water resistant. Note: You must install the FTDI driver on your computer BEFORE connecting via USB. The FTDI VCP driver is found at this site: http:\/\/www.ftdichip.com\/Drivers\/VCP.htm Select the Windows driver under \"Comments\" all the way to the right of the table. The driver is the \"setup executable\" link. See\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.info\/products\/software\/serial_usb\/ftdi-driver-find4.pdf\" target=\"_blank\" data-mce-href=\"https:\/\/www.astro-physics.info\/products\/software\/serial_usb\/ftdi-driver-find4.pdf\"\u003ethis PDF for driver location\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEthernet can be point-to-point w\/PC or networked without user configuration. Simply enter the IP address into the browser URL and gain access to the GTOCP4 Web interface. This will provide easy configuration of your Ethernet and WiFi connections and upload of firmware updates. Additionally, since the Web interface is built into the GTOCP4, you can access it on any operating system that supports a Web browser without having to install any special software.\u003cbr data-mce-fragment=\"1\"\u003eIf you plan to use the Ethernet connection you have two options:\u003c\/li\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAstro-Physics APCC Standard and Pro version software. Version 1.5 or later has built-in Ethernet support. Connect APCC directly and then use its built-in virtual serial ports for other software. The AP V2 ASCOM driver will continue to be connected through APCC's virtual ports. \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eASCOM driver. Version 5.20 or later has built-in Ethernet support.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWiFi to enable connection of your mobile devices or PC to control your mount. Can be point-to-point for field use, or connected to a WiFi network. Specify your preference and turn the options on or off within the GTOCP4 browser interface.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRS-232 ports. We retained both RS-232 ports for those accustomed to this dependable mode of operation. Note that the lower port is fully functional.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIntegrates all functions of the Absolute Encoders (1100GTO-AE and AEL, 1600GTOAE and AEL and Mach2GTO mounts) and the Precision Encoders (3600GTOPE) and mechanical Limit Switches (3600GTO). Secondary boxes are not utilized. This results in faster response rate when guiding.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eApplies Safety Slew logic to all slew commands regardless of source - Keypad or any computer program. This ensures that your mount will slew safely from a counterweight up position or into a counterweight up position while using the meridian delay feature.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e12V - 24V DC power. Servo control system operates from a readily available 12-volt source, so it can run for long periods in the field. It is compatible with standard automotive or marine batteries. You will need to purchase a\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ePowerpole Cable\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003edesigned for this control box.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBackward Compatibility. All of this in a compact size that fits all previous GTO mounts. Adapters may be required.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOptional Keypad Modeling License: allows you to utilize the three Keypad modeling methods: Ortho Model, Point \u0026amp; Track Model, Drift Model. Refer to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.com\/cp4-keymodel-256\" data-mce-href=\"https:\/\/www.astro-physics.com\/cp4-keymodel-256\"\u003eCP4-KEYMODEL-256\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003efor more information. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eIncludes features from the latest version of the GTOCP3 that you rely on.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows use of our APCC software. The Astro-Physics Command Center (APCC) requires either the CP4 control box or the CP3 control box with the V2 chip installed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows Automatic \"Deadman Switch\" Safety Timer function. This feature confirms that the mount is communicating with the PC and COMs are functioning properly. If not, the mount will park at the end of a user-defined countdown preventing pier crash. This important safety feature is implemented in both APCC Standard and Pro Versions.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReads capability of PEM state, guide, center and slew rates and of drift (both axes) and trim (both axes). This feature is implemented through polled status command in the ASCOM V2 driver and APCC Standard and Pro Versions.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows Auto-Park. This will cause the mount to enter a parked state whenever power is removed and this state is remembered through power cycles. When the command is invoked, default sidereal rotation will NOT start up the moment that power is applied. This will be the recommended setting for any remote observer\/imagers. This does NOT try to move the mount into a pre-defined park position. It simply puts it into a parked state when power is removed. This feature is the default in APCC Standard and Pro Versions.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImproved Meridian Delay logic. The new logic is more streamlined and robust. It is applied to all go-to slew input - Keypad and computer programs.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccepts timed guide move command. This allows control programs to introduce precise motion without the complication of providing accurate time separation between the move and quit commands. Using your guiding software through the ASCOM AP V2 driver takes full advantage of this feature.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows variable tracking rate commands in both RA and Dec axes. These are useful for tracking objects that are not fixed relative to background stars, like comets, asteroids, satellites and the Moon.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccepts variable centering rate commands. In addition to the commanded rates of 0.25x, 0.5x, 1x, 12x and 64x. Variable rate commands are available in the APCC Standard and Pro Versions.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePEM - Periodic Error Memory correction. Make your correction just once, remains in memory permanently.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePEM memory command. PEM memory is accessible to external software programs in order to smooth out and modify the curve.\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ePEMPro\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eby Ray Gralak and distributed by CCDWare (included with 1100 and 1600 mounts) supports directly reading from\/writing to the PE storage locations. This allows more accurate programming of the mount's PEM (that is, the mount does not have to interpret move or autoguider commands). Also, programming is significantly quicker than waiting for one worm cycle's worth of playback (5.6 to 7.5 min, depending on the mount model) as is the case for the GTOCP2. Also, PEMPro reads parameters and calculates the mount's worm period (useful if you have a non-Astro-Physics mount with the GTO Control System.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHigh-precision mode. Assures accuracy of R.A. format to tenths of seconds in R.A. (1.5 arc seconds)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAlt-Azimuth coordinates. Servo control can be commanded using Alt-Azimuth coordinates. Utilized by the Keypad, APCC Standard and Pro and through our ASCOM V2 driver if the software sends alt-az commands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePark command de-energizes motor and remembers R.A.\/Dec. coordinates when power is removed. Restores saved R.A.\/Dec. coordinates on next power up and calibrates to them when commanded. When the power and keypad are restored, the mount will stay parked and not resume tracking until the Resume from Park function has been entered on the keypad.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRe-calibration. Allows re-calibration even when scope has crossed the meridian and is on the wrong side of the mount.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMotor stall protection. If motor stalls more than 1 second, the drive will shut off. This is a safety feature to prevent motor burnout in case of severe load on the motor due to an extreme imbalance condition or if the power to the mount has been accidentally left on and the scope has hit a hard stop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutomatic meridian swapping in GoTo slewing mode.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eContinues to track at sidereal rate, even while slewing. Assures position is always accurate.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows E-W reversal in R.A. and N-S reversal in declination. For correct object orientation and movement in eyepiece.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProvides full functionality of the AP V2 ASCOM Driver and APCC. Provides all the commands required for all functions of the AP V2 ASCOM driver (available free of charge) and our Astro-Physics Command Center (APCC) software (optional purchase).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures that are NOT Included That We Hope You Don't Miss.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConnections: Reticle, Focus and 6V Auxiliary Power. These are not widely used any longer.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDoes not have R.A. and Declination backlash control. This was initially designed for manual guiding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eComparison of Control Box Features\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003eCurious about the feature comparison between the GTOCP1, GTOCP2, GTOCP3 and GTOCP4? Check out our\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/control-box-table.pdf\" target=\"_blank\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/control-box-table.pdf\"\u003eControl Box Comparison\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003echart.\u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/control-box-table.pdf\" target=\"_blank\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/control-box-table.pdf\"\u003e\u003cimg data-mce-fragment=\"1\" height=\"100\" width=\"77\" alt=\"control-box-table-thumb.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/control-box-table-thumb.jpg\" title=\"control-box-table-thumb.jpg\" class=\"__mce_add_custom__\" data-mce-src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/control-box-table-thumb.jpg\"\u003e\u003c\/a\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMechanical Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMachined aluminum housing provides robust protection for electronics\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAll input lines are protected against heavy static discharge with transorbs\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDovetail construction allows quick removal from all GTO mounts\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e12V DC receptacle (2-pin male) for locking power cable. All upgrades from previous GTO control boxes will require a new cable\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUSB 2.0, ruggedized version for extended temperature range, dust tight and water resistant Ethernet receptacle\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMotor cable receptacle (10-pin female). All motor cables used with GTOCP2 or GTOCP3 will plug in here\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEncoder receptacle (10-pin male). For Absolute Encoder or Precision Encoder cables\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutoguider receptacle for any CCD with modular RJ-11-6 connector\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTwo 9-pin RS-232 serial ports (DB9 female receptacles, a.k.a. DE9). If you use APCC Standard or Pro and your computer connectivity is flakey, you can use one of these RS-232 ports as a backup to your USB or Ethernet connections. If the signal is dropped through your primary input, the serial cable will fill in. Both ports are full-speed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGTO Keypad Controller locking receptacle (5-pin female)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAUX receptacle (7-pin female) for Limit Switches and future planned functions under development\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWi-Fi antenna with adjustable position\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"pt10arial\" border=\"1\" cellspacing=\"1\" cellpadding=\"7\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"24%\"\u003eDimensions of servo box\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"76%\"\u003e6.3\" x 4.9\" x 1.5\" (16 x 12.5 x 3.8cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"24%\"\u003eWeight\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"76%\"\u003e1.8 lbs. (0.82 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"24%\"\u003eSuggested power sources\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"76%\"\u003ePortable 12V battery pack, deep-cycle or marine battery\u003cbr\u003e110 to nominal 12V DC Power Supply (5 amp minimum, regulated and well-filtered to prevent spikes). For the 1600GTO and 1200GTO mounts with a heavy load in colder climates and for the 3600GTO, we recommend the\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"pt10link\"\u003e15-volt, 12-amp power supply (PS15V12AC)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\" width=\"24%\"\u003eStandards\u003c\/td\u003e\n\u003ctd valign=\"TOP\" width=\"76%\"\u003eMeets FCC and CE standards; Lead-free electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eControl Box Options\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eControl Options for your GTOCP4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe command language protocol that is programmed into the micro controller of the GTOCP4 Control box allows the sophisticated control functions of your mount. Please keep in mind that the software that communicates with the mount will determine which commands are utilized. For instance, although the control box is programmed to include a command that can implement a timed guide move, if the software does not issue the command, this feature cannot be used.\u003c\/p\u003e\n\u003cp\u003eFor optimum utilization of the advanced functions in the command language protocol, we recommend that you control your mount with either software that utilizes the ASCOM V2 driver or the Astro-Physics Command Center (APCC). These control options were written by Ray Gralak in collaboration with Astro-Physics. For more information, see:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" target=\"_blank\"\u003eControl Your GTO Mounts with Your Keypad, Computer or Mobile Smart Devices\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/control\/control.htm\" target=\"_blank\"\u003e\u003cimg class=\"__mce_add_custom__\" title=\"cp4-control.jpg\" src=\"https:\/\/cdn11.bigcommerce.com\/s-giucqvpdlm\/product_images\/uploaded_images\/cp4-control.jpg\" alt=\"cp4-control.jpg\" width=\"500\" height=\"400\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eUpgrade Procedure\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eCan My Mount Be Upgraded?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe good news is that all GTO mounts that we have produced since 1998 can upgrade to the new GTOCP4!!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Procedures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll orders for the GTOCP4 Control Box must be placed directly with Astro-Physics, except for customers who ordered their mount from one of our international dealers.\u003c\/p\u003e\n\u003cp\u003eRead the GTOCP4\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/cp4-upgrade-inst.pdf\" target=\"_blank\"\u003eUpgrade and Installation Guide\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(PDF document) in order to learn how the CP4 will attach to the mount that you already own and which parts you will need to order.\u003c\/p\u003e\n\u003cp\u003ePrepare the required information: Each control box must be configured for the specific mount based on the characteristics (also referred to as \"personality\") of that mount. Please be prepared to provide the information requested on the form below when you place your order. You do not have to send the form, we can complete it with information provided on the phone.\u003cbr\u003e\u003cbr\u003e\u003ca href=\"http:\/\/www.astro-physics.info\/tech_support\/mounts\/servo\/gtocp4form.pdf\" target=\"_blank\"\u003eGTOCP4 Order Form\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(PDF format)\u003c\/p\u003e\n\u003cp\u003eOrder the parts that you need. Refer to the Upgrade and Installation Guide mentioned above to determine what you need for your mount. Remember that all GTOCP4 control boxes will require a new\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/cabpp\"\u003epower cable\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003esince the connector is different than previous control boxes.\u003c\/p\u003e\n\u003ch5\u003eRequires\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003ePower Cables: CABPP4SET or CABPP6 with CABPP18R or CABPP18C\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980787548417,"sku":"GTOCP4","price":1295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/CP4-Web-Image-HProduct__36388.1546903357.jpg?v=1691015461"},{"product_id":"14-lb-counterweight-for-1-125-shaft-400-600e-800-and-mach1","title":"Counterweight for 1.125\" Shaft - 400, 600E, 800 and Mach1","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAstro-Physics counterweights are precision machined from 303 stainless steel. The weights slip easily onto the counterweight shaft and are secured in position with a large hand knob\/brass pin assembly. The brass pin will not mar your shaft.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eKeep in mind that you can adjust the position of the weights to counterbalance varying loads. However, the addition of a guidescope, camera and other heavy accessories may necessitate an additional counterweight. If you plan to mount your Catadioptric, Newtonian or any other scope, figure that you will need a counterweight total equal to approximately 90-125% of the weight of your tube assembly and accessories (large diameter scopes require a higher percentage).\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImportant Mount Balancing Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e Please read this document to understand the proper way to position counterweights when balancing your mount:\u003c\/span\u003e \u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.info\/tech_support\/accessories\/mounting_acc\/balance-to-optimize-guiding.pdf\" target=\"_blank\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/accessories\/mounting_acc\/balance-to-optimize-guiding.pdf\"\u003eBalance to Optimize Guiding\u003c\/a\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBelow are the nominal weights and dimensions of our counterweight line.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCounterweights for 1.125\" Shaft - 400, 600E, 800 and Mach1GTO mounts:\u003cbr data-mce-fragment=\"1\"\u003eUse these dimensions to determine how many counterweights will fit on each shaft:\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e6 lb. Counterweight (\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.com\/6slcwt\" data-mce-href=\"https:\/\/www.astro-physics.com\/6slcwt\"\u003e6SLCWT\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 5\", thickness 1.1\"\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e9 lb. Counterweight (\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.com\/9slcwt\" data-mce-href=\"https:\/\/www.astro-physics.com\/9slcwt\"\u003e9SLCWT\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 5\", thickness 1.8\"\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e14 lb. Counterweight (14SLCWT)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 6\", thickness 1.8\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMach1GTO Counterweight Shaft (\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.astro-physics.com\/m8084-b\" data-mce-href=\"https:\/\/www.astro-physics.com\/m8084-b\"\u003eM8084-B\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- usable length 13.675\"\u003cbr data-mce-fragment=\"1\"\u003eFor 400, 600E and 800 mounts, measure the length of your shaft.\u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"6 lb","offer_id":43980794659073,"sku":"6SLCWT","price":165.0,"currency_code":"USD","in_stock":true},{"title":"9 lb","offer_id":43980794691841,"sku":"9SLCWT","price":185.0,"currency_code":"USD","in_stock":true},{"title":"14 lb","offer_id":43980794724609,"sku":"14SLCWT","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/cwts-6-9-14__30899.1668031063.png?v=1691015703"},{"product_id":"counterweight-for-1-875-shaft-mach2-900-1100-1200-1600-also-mach1-using-optional-shaft","title":"Counterweight for 1.875\" Shaft - Mach2, 900, 1100, 1200 \u0026 1600 (also Mach1 using optional shaft)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur counterweights are precision machined from 303 stainless steel. The weights slip easily onto the counterweight shaft and are secured in position with a large hand knob\/brass pin assembly. The brass pin will not mar your shaft. Please note that that they no longer have a brass bushing. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eKeep in mind that you can adjust the position of the weights to counterbalance varying loads. However, the addition of a guidescope, camera and other heavy accessories may necessitate an additional counterweight. If you plan to mount your Catadioptric, Newtonian or any other scope, figure that you will need a counterweight total equal to approximately 90-125% of the weight of your tube assembly and accessories (large diameter scopes require a higher percentage). The\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1100\"\u003e1100GTO\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eand\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1600\"\u003e1600GTO\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003emounts require slightly more weight than the older 900GTO and 1200GTO mounts.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImportant Mount Balancing Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e Please read this document to understand the proper way to position counterweights when balancing your mount:\u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/accessories\/mounting_acc\/balance-to-optimize-guiding.pdf\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.info\/tech_support\/accessories\/mounting_acc\/balance-to-optimize-guiding.pdf\" target=\"_blank\"\u003e Balance to Optimize Guiding\u003c\/a\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBelow are the nominal weights and dimensions of our counterweight line.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCounterweights for 1.875\" Diameter Shaft -\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mach2gto\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/mach2gto\"\u003eMach2\u003c\/a\u003e, 900,\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1100\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1100\"\u003e1100\u003c\/a\u003e, 1200,\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/1600\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/1600\"\u003e1600\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003emounts (and\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/mach1gto\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/mach1gto\"\u003eMach1GTO\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eusing optional shaft):\u003cbr data-mce-fragment=\"1\"\u003eUse these dimensions to determine how many counterweights will fit on each shaft. Note that the diameter of the 24 lb. counterweight is larger than the others:\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e5 lb. (2.2 kg) Counterweight (\u003ca href=\"https:\/\/www.astro-physics.com\/copy-of-xxscwt\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/copy-of-xxscwt\"\u003e5SCWT\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 6\", thickness: 0.75\"\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e10 lb. (4.5 kg) Counterweight (\u003ca href=\"https:\/\/www.astro-physics.com\/copy-of-5scwt\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/copy-of-5scwt\"\u003e10SCWT\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 6\", thickness: 1.4\"\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e18 lb. (8.2 kg) Counterweight (\u003ca href=\"https:\/\/www.astro-physics.com\/copy-of-5scwt-1\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/copy-of-5scwt-1\"\u003e18SCWT\u003c\/a\u003e)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 6\", thickness: 2.5\"\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e30 lb. (13.6 kg) Counterweight (30SCWT188)\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e- diameter: 7.5\", thickness 2.5\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e900\/1100 Counterweight Shaft (\u003ca href=\"https:\/\/www.astro-physics.com\/m9404-b\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/m9404-b\"\u003eM9404-B\u003c\/a\u003e) - usable length 16.675\"\u003cbr data-mce-fragment=\"1\"\u003e1200\/1600 Counterweight Shaft (\u003ca href=\"https:\/\/www.astro-physics.com\/m12601-e\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/m12601-e\"\u003eM12601-E\u003c\/a\u003e) - usable length 22.0\"\u003cbr data-mce-fragment=\"1\"\u003e9.25\" x 1.875\" Counterweight Shaft Extension (\u003ca href=\"https:\/\/www.astro-physics.com\/m12675\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.astro-physics.com\/m12675\"\u003eM12675\u003c\/a\u003e) - usable length 8.675\" \u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"5 LB","offer_id":43980796199169,"sku":"5SCWT","price":165.0,"currency_code":"USD","in_stock":true},{"title":"10 LB","offer_id":43980796231937,"sku":"10SCWT","price":205.0,"currency_code":"USD","in_stock":true},{"title":"18 LB","offer_id":43980796264705,"sku":"18SCWT","price":275.0,"currency_code":"USD","in_stock":true},{"title":"30","offer_id":43980796297473,"sku":"30SCWT","price":460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/apibr48fl__94067.1668031063.png?v=1691016647"},{"product_id":"gto-keypad-with-keypad-protector-for-gtocp1-gtocp2-and-gtocp3-control-boxes-serial-of-mount-required-for-purchase","title":"GTO Keypad with Keypad Protector - for GTOCP1, GTOCP2 and GTOCP3 Control Boxes - Serial # of mount required for purchase","description":"\u003cp\u003eThis Keypad should only be purchased for use with the GTOCP1, GTOCP2 and GTOCP3 control boxes. This Keypad model will be supplied with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoriginal button layout suitable for Keypad firmware version 4.19.3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efirmware included with this keypad. Please note that we not develop the 4.xxx firmware any further due to keypad memory limitations. \u003c\/p\u003e\n\u003cp\u003eIMPORTANT NOTE: Keep in mind that if you later decide to upgrade to the new keypad version 5 (after you have upgraded to the GTOCP4), two of the buttons on the button membrane will not be labeled correctly.  You will still be able to use it, but will have to memorize a different function for the button.  In order to obtain the new membrane, the keypad will have to be returned to Astro-Physics for an upgrade with additional charges. \u003c\/p\u003e\n\u003cp\u003eIf you have a GTOCP4 or GTOCP5 control box, please consider the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2-new\"\u003eKEYVFK2\u003c\/a\u003e so that you can take full advantage of the new features of the version 5 firmware.\u003ca href=\"https:\/\/www.astro-physics.com\/keyvfk2-new\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe Keypad is a self-contained handheld computer that allows you to control all essential telescope functions and includes an extensive database of objects. We have designed this unit to be as intuitive and easy to use as possible, while filling it with terrific features to make your observing session productive and pleasurable.\u003c\/p\u003e\n\u003cp\u003eYou will be very pleased with the intuitive operation of this controller. You do not have to remember shift key patterns or complex keystroke sequences. The directional buttons are shaped like arrows to help you find them in the dark without looking at your keypad. The stop button is readily accessible if you need to cancel any slewing request immediately. It is so easy to use that even if you don't use it for a few months, you will feel at home with the Keypad very quickly.\u003c\/p\u003e\n\u003cp\u003eThe menu system is very easy to navigate. Each 4-line screen will display several choices which correspond to a number button. Simply press the number button to initiate the command, e.g. \"1=M, 2=NGC.\" When you press \"1\", the Messier entry screen will display and you can enter the number of the object that you wish to view. Press GOTO, which will cause the mount to slew. The \u0026lt;PREV and NEXT\u0026gt; buttons will allow you to scroll quickly through the lists of common names or from one menu to another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHandheld keypad with red backlit alphanumeric keypad and red 4-line by 20-character data display.\u003c\/li\u003e\n\u003cli\u003eVacuum-fluorescent display rated to -40 degrees F or C (F and C are equivalent at this temperature!) allows hardy observers to view or image on cold winter nights (please contact Astro-Physics if you wish to operate the mount in severe temperatures below -20F). Normal computers and mobile devices cannot be used at these temperatures.\u003c\/li\u003e\n\u003cli\u003eDirectional N-S-E-W keys provide immediate response when you wish to center an object or cruise the surface of the moon.\u003c\/li\u003e\n\u003cli\u003eRetractable hanger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware Features - Version 4.19.3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutoconnect:Yes setting allows rapid startup if your mount is at a permanent location and polar-aligned.\u003c\/li\u003e\n\u003cli\u003eExternal Auto-Connect mode allows primary mount control from an external computer and places the GTO Keypad into a secondary role for seamless operation in computer dominated application\u003c\/li\u003e\n\u003cli\u003eSet tracking, slewing, guiding and centering rates. \u003c\/li\u003e\n\u003cli\u003eSet R.A. and declination reversal (E-W reversal in R.A. and N-S reversal in Dec.) for correct object orientation and movement in eyepiece.\u003c\/li\u003e\n\u003cli\u003ePEM - Periodic Error Memory (a.k.a. PEC) \u003c\/li\u003e\n\u003cli\u003eMeridian Delay function allows imagers to continue imaging past the meridian or to start counterweight up and eliminate the pier flip (at safe declination).\u003c\/li\u003e\n\u003cli\u003eAltitude\/Azimuth display allows you to position the mount for fixed targets to any Alt\/Az point. This is great for taking dark frames.\u003c\/li\u003e\n\u003cli\u003eWhat's Up Now function will suggest objects to view based on what is above the horizon at the time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore than 17,000 objects in extensive databases: Messier (110), NGC (7840), IC (5,386), ADS double stars (215), Abell galaxy clusters (2,712), calibration stars by common name (200), Greek star names by constellation (1053), common objects (100), planets (8) , Moon and Sun.\u003c\/li\u003e\n\u003cli\u003eTour functions assist you to plan observing session.\u003c\/li\u003e\n\u003cli\u003eDisplay will indicate if object is below horizon and cancel slewing request.\u003c\/li\u003e\n\u003cli\u003eSTOP button to cancel your slewing request when the telescope is already moving.\u003c\/li\u003e\n\u003cli\u003eTimer will let you know when the exposure time of your image is complete.\u003c\/li\u003e\n\u003cli\u003eContinuous readout of current position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKeypad Hardware History\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eImprovements listed below phased in from April 2002 through June 2003. Most customers already have the current model. New Keypads can be purchased as replacements and backups for all GTO mounts.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarger chip memory capacity on new circuit board. Will allow us to add more features to the firmware program in the future. All Keypads with serial # 1565 and later numbers have this larger chip as well as some earlier units that were updated during their repair.\u003c\/li\u003e\n\u003cli\u003eLED fiber optic backlit panel. Does not require a transformer as the prior EL backlit panel did so they will operate more quietly. Keypads with this feature must also have the updated circuit board. All Keypads with serial # 1568 and higher have this backlit panel.\u003c\/li\u003e\n\u003cli\u003eKeypad button pad updated in preparation for release of version 5 software as shown in the photo. All keypads with serial # 4522 and higher have this new version have this button pad unless the purchaser chose to have the original version installed. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications of the Keypad\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable cellpadding=\"7\" cellspacing=\"1\" border=\"1\" class=\"pt10arial\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003eDimensions\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e7.2 x 4.1 x 1\" (181.6x104.1x24.6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003eWeight\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e1 pound 8 ounces, including cable and KEYPRO (680 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003eCable\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e15' coiled cable included; optional extension available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003e\n\u003cp\u003eKeypad\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003eRed LED fiber optic backlit, alphanumeric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003eDisplay screen\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e4x20 character alphanumeric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003ePre-defined Tracking Rates\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003eSidereal, solar, lunar and stop (Note: lunar rate is R.A. only, and does not include the moon's movement in declination.) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003ePre-defined Direction Button Rates\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e0.25x, 0.5x, 1x, 12x, 64x for centering and manual guiding. \u003cspan\u003eAlso, 600x, 1200x\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003ePre-defined Rapid GoTo Slew Rates - All 900GTO, 1200GTO and Mach1GTO\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e600x, 900x and 1200x ( top speed - 5 degrees per second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003ePre-defined Rapid GoTo Slew Rates - 3600GTO and 3600GTOPE\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e300x, 450x and 600x ( top speed - 2.5 degrees per second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"TOP\"\u003ePre-defined Rapid GoTo Slew Rates - 400GTO and 600EGTO with 32:1 gearbox\u003c\/td\u003e\n\u003ctd valign=\"TOP\"\u003e590x, 860x and 980x (Top speed dependent on available voltage from power supply. Note that these rates differ from those in the GTOCP2 - 460x, 580x, and 675x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"24%\" valign=\"TOP\"\u003ePre-defined Rapid GoTo Slew Rate - 400GTO and 600EGTO with 19.8:1 gearbox\u003c\/td\u003e\n\u003ctd width=\"76%\" valign=\"TOP\"\u003e600x, 900x and 1200x ( top speed - 5 degrees per second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDocuments and Upgrades\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eResources\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/keypad\/keypad-manual-4-19-3.pdf\" target=\"_blank\"\u003eGTO Keypad Controller Manual\u003c\/a\u003e, V.4.19.3\u003cbr\u003e\u003ca href=\"https:\/\/www.astro-physics.info\/tech_support\/mounts\/keypad_update\/dataload201\/dataload201.htm\"\u003eKeypad Database Corruption and Reloading\u003c\/a\u003e - non-Java method\u003cbr\u003e\u003ca href=\"https:\/\/www.astro-physics.com\/keypad-v4-x-database-reload-java-loader\/\"\u003eKeypad Database Corruption and Reloading\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- Java-based method \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeypad Firmware Updates\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRefer to the Software Updates page for all firmware updates. We do not anticipate further development of v4.xx firmware that utilizes the original button pad. All further development will be for the version 5.xxx firmware that can only be used with the GTOCP4 or GTOCP5. \u003c\/p\u003e\n\u003cp\u003eVersion 4.19.3 Use with GTOCP1, GTOCP2 and GTOCP3 control boxes. \u003c\/p\u003e\n\u003cp\u003eVersion 4.19.5 was developed for owners of GTOCP4 control boxes to accommodate a change in the rate table within the GTOCP4 firmware and requires the GTOCP4 for the Java-based upload process. However, it can also be used with any other GTO control box (GTOCP1, GTOCP2, GTOCP3). \u003c\/p\u003e","brand":"Astro-Physics","offers":[{"title":"Default Title","offer_id":43980797804801,"sku":"KEYVFK","price":980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/keypad__83644.1657739217.jpg?v=1691017223"},{"product_id":"sky-watcher-wave-150i-strainwave-mount","title":"Sky-Watcher Wave 150i Strainwave Mount","description":"\u003cul\u003e\n\u003cli\u003eWave 150i GoTo strainwave head\u003c\/li\u003e\n\u003cli\u003eEQ and AZ modes\u003c\/li\u003e\n\u003cli\u003eBuilt-in cable management\u003c\/li\u003e\n\u003cli\u003eWeighs 12.8 pounds (5.8kg)\u003c\/li\u003e\n\u003cli\u003e33-pound (15kg) payload capacity without optional counterweight\u003c\/li\u003e\n\u003cli\u003e55-pound (25kg) payload capacity with optional counterweight\u003c\/li\u003e\n\u003cli\u003eSingle D\/V hybrid saddle\u003c\/li\u003e\n\u003cli\u003eLatitude range from 0° to 90°\u003c\/li\u003e\n\u003cli\u003eRed LED for latitude scale and bubble level\u003c\/li\u003e\n\u003cli\u003eWi-Fi and Bluetooth\u003c\/li\u003e\n\u003cli\u003eRA power off braking function\u003c\/li\u003e\n\u003cli\u003eRA and DEC home position functions\u003c\/li\u003e\n\u003cli\u003eRequires 12V 2A power (not included)\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOptional tripod, pier extension, and counterweight kit not included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOptical Tube not included \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eHIGH TORQUE. HIGH PRECISION. HIGH PORTABILITY.\u003cb\u003e\u003cu\u003e\u003c\/u\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eTaking advantage of the strain wave design with its high torque and compact construction, these mounts deliver high precision and power in an affordable and portable package. With exclusive features found on no other strain wave mounts, the Wave series is a serious update and upgrade to Sky-Watcher’s already immensely popular family of astronomy mount platforms.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eBoasting 22 and 33 pounds of payload capacity respectively (33 and 55 pounds with optional counterweight kits), the Wave 100i and 150i are incredibly compact and lightweight (9.5 and 12.8 pounds) and stow in durable carry cases with dense, machine-cut foam perfectly suited for travel.\u003cspan\u003e  \u003c\/span\u003eSky-Watcher’s Wave mounts also feature both EQ and AZ tracking modes with RA and Dec home positions, D\/V hybrid saddles, 0–90-degree latitude range, Wi-Fi and Bluetooth capability, RA power-off braking, 12v 2a power (not included), and a red backlit latitude display and bubble level to make your setup routine that much easier.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cu\u003eExclusive Features\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCable Management:\u003c\/b\u003e Designed for the serious astro-imager, the Wave 150i mount features through-mount cabling and a powered hub built into the saddle with ports for autoguiding, Dec USB, and 2 Dec outputs. The RA hub sits at the back of the mount and never moves, keeping all your cabling neat, organized, and safe from snags.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOTA Balancing:\u003c\/b\u003e Unique to the strain wave mounts currently on the market, Sky-Watcher’s larger Wave 150i also features the ability to balance the OTA on the RA and Dec axes adding to the overall stability, security, and performance of the system.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFast Slewing:\u003c\/b\u003e Track satellites and space stations with the Wave’s swift slew rate of 7.5 degrees per second and the downloadable Satellite Tracker Application for Windows PC found on Sky-Watcher’s International Support website.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cu\u003eKey Features\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStrainwave Drive Technology:\u003c\/b\u003e The Wave mount was built around advanced strain wave drive technology which delivers exceptionally smooth and precise tracking without the need of bulky counterweights, tripods, and mount heads. This approach allows users to capture stunning images of celestial objects on a more streamlined platform without sacrificing performance.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRobust Payload Capacity:\u003c\/b\u003e Whether you’re mounting a small wide field refractor, a stocky Mak-Cassegrain, a massive astrograph, or a long, glass-heavy triplet, the Wave's adaptive payload capacity and slew of add-ons and accessories ensures compatibility with a wide range of optical tubes and tripods. This adaptability provides a stable platform for an entirely open ecosystem tailor-made by the user with an intuitive interface and a fit and finish that inspires confidence.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSeamless Connectivity:\u003c\/b\u003e The Wave mount easily integrates with Sky-Watcher's SynScan hand controller or SynScan app allowing users to control their telescopes by hand or wirelessly via smartphone or tablet, as well as through third-party control platforms (ASIAir, Eagle, StellarMate, etc.) enabling access to advanced features like plate solving and automated imaging runs.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOptions, Add Ons, and Accessories:\u003c\/b\u003e Choose á la carte-style to suit your needs be it the stainless-steel counterweight kit, pier adapter, carbon fiber or steel tripod, mount head only, or fully decked out kits with optical tubes included. The Wave has got you covered.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":45012774617345,"sku":"S30905","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Wave150_1800x1800_61c16bb2-822c-421e-8327-6873e46b8dbb.jpg?v=1714001758"},{"product_id":"sky-watcher-wave-100i-strainwave-mount","title":"Sky-Watcher Wave 100i Strainwave Mount","description":"\u003cul\u003e\n\u003cli\u003eWave 100i GoTo strainwave head\u003c\/li\u003e\n\u003cli\u003eEQ and AZ modes\u003c\/li\u003e\n\u003cli\u003eWeighs 9.5 pounds (4.3kg)\u003c\/li\u003e\n\u003cli\u003e22-pound (10kg) payload capacity without optional counterweight\u003c\/li\u003e\n\u003cli\u003e33-pound (15kg) payload capaciy with optional counterweight\u003c\/li\u003e\n\u003cli\u003eDual D\/V hybrid saddles\u003c\/li\u003e\n\u003cli\u003eIncluded secondary saddle\u003c\/li\u003e\n\u003cli\u003eLatitude range from 0° to 90°\u003c\/li\u003e\n\u003cli\u003eRed LED for latitude scale and bubble level\u003c\/li\u003e\n\u003cli\u003eWi-Fi and Bluetooth\u003c\/li\u003e\n\u003cli\u003eRA power off braking function\u003c\/li\u003e\n\u003cli\u003eRA and DEC home position functions\u003c\/li\u003e\n\u003cli\u003eRequires 12V 2A power (not included)\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOptional tripod, pier extension, and counterweight kit not included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOptical Tube not included \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHIGH TORQUE. HIGH PRECISION. HIGH PORTABILITY. \u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eTaking advantage of the strain wave design with its high torque and compact construction, these mounts deliver high precision and power in an affordable and portable package. With exclusive features found on no other strain wave mounts, the Wave series is a serious update and upgrade to Sky-Watcher’s already immensely popular family of astronomy mount platforms.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eBoasting 22 and 33 pounds of payload capacity respectively (33 and 55 pounds with optional counterweight kits), the Wave 100i and 150i are incredibly compact and lightweight (9.5 and 12.8 pounds) and stow in durable carry cases with dense, machine-cut foam perfectly suited for travel.\u003cspan\u003e  \u003c\/span\u003eSky-Watcher’s Wave mounts also feature both EQ and AZ tracking modes with RA and Dec home positions, D\/V hybrid saddles, 0–90-degree latitude range, Wi-Fi and Bluetooth capability, RA power-off braking, 12v 2a power (not included), and a red backlit latitude display and bubble level to make your setup routine that much easier.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cu\u003eExclusive Features\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDual Saddles:\u003c\/b\u003e For solar imagers, eclipse chasers, and outreach enthusiasts the smaller Wave 100i comes standard with a secondary saddle that mounts over the counterweight port allowing users to mount up to 22 lbs. of equipment on each saddle in Alt-Az mode.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFast Slewing:\u003c\/b\u003e Track satellites and space stations with the Wave’s swift slew rate of 7.5 degrees per second and the downloadable Satellite Tracker Application for Windows PC found on Sky-Watcher’s International Support website.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cu\u003eKey Features\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStrainwave Drive Technology:\u003c\/b\u003e The Wave mount was built around advanced strain wave drive technology which delivers exceptionally smooth and precise tracking without the need of bulky counterweights, tripods, and mount heads. This approach allows users to capture stunning images of celestial objects on a more streamlined platform without sacrificing performance.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRobust Payload Capacity:\u003c\/b\u003e Whether you’re mounting a small wide field refractor, a stocky Mak-Cassegrain, a massive astrograph, or a long, glass-heavy triplet, the Wave's adaptive payload capacity and slew of add-ons and accessories ensures compatibility with a wide range of optical tubes and tripods. This adaptability provides a stable platform for an entirely open ecosystem tailor-made by the user with an intuitive interface and a fit and finish that inspires confidence.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSeamless Connectivity:\u003c\/b\u003e The Wave mount easily integrates with Sky-Watcher's SynScan hand controller or SynScan app allowing users to control their telescopes by hand or wirelessly via smartphone or tablet, as well as through third-party control platforms (ASIAir, Eagle, StellarMate, etc.) enabling access to advanced features like plate solving and automated imaging runs.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOptions, Add Ons, and Accessories:\u003c\/b\u003e Choose á la carte-style to suit your needs be it the stainless-steel counterweight kit, pier adapter, carbon fiber or steel tripod, mount head only, or fully decked out kits with optical tubes included. The Wave has got you covered.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":45012913422593,"sku":"S30900","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Wave100_1800x1800_915f9671-8503-4862-8ddb-9e155e6dfe67.jpg?v=1714002663"},{"product_id":"rst-135e-weightless-mount","title":"RST-135E Weightless Mount","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"fusion-checklist fusion-checklist-2\"\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eCounterweights Not Required\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eOnly 3.4kg weight\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003e±2.5arcsec PE\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eCapacity 13.5kg (max 18kg)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eStrain Wave Gear (Harmonic Drive)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eRenishaw encoder\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003e5-years warranty\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eAlthough the capacity is 13.5kg (maximum 18kg), the weight of the mount is only 3.4kg. It fits in one hand, so you don’t need a separate large bag for this. The lighter the mount, the greater the frequency of use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eA high-resolution encoder from Renishaw is built into the RA axis. As a result, a periodic error of only ±2.5 seconds was achieved. Choose the RST-135E mount if you are bothered or reluctant to use the autoguide system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCounterweights not required up to 13.5kg. It is especially convenient for domestic mobile observation as well as overseas expedition observation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe performance of the worm gear mount is sensitive to the balance, but the RST-135E is not. No need to rebalance even if you change the eyepiece or camera.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of worm gears, a new type of reducer called strain wave gear (harmonic drive) is used. Almost no backlash and no maintenance is required. As it is widely used in industrial robots, it is very durable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eCNC machined aluminum alloy AL6061 is used for aircraft. That’s why it’s small, light and stiff. The beauty of the machined surface increases the collection value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWiFi is built in. You can control the mount via the SkySafari app on your smartphone. Ascom Driver can be connected via WiFi as well as USB. GOTO and AutoGuide are now wireless.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGPS receiver is built in. The position and time of the observer can be entered accurately and conveniently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere is a built-in home sensor to find the mechanical origin. This is useful for permanently using Star Alignment data. Build an ultra-small remote observatory with the RST-135E mount.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMount type\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDual mount – German Equatorial, Alt-Azimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eReducer\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eStrain wave gear (Harmonic Drive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eLoad Capacity\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e13.5kg(without counter weight), 18kg(with counter weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eRecommend Telescope\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e8inch Reflector, 5inch Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eWeight\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eVolume\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e14.4 x 13.1 x 20.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMaterial\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAluminum alloy AL6061, Steel, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eSurface coating\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAnodizing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eReducer size(RA)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eModel No. 17 (Based on HDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eReducer size(DEC)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eModel No. 14 (Based on HDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMotor\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSwiss made Maxon DC Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eLatitude range\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0 to 90 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eHigh resolution encoder\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\n\u003cp\u003eBuilt-in RA axis, Renishaw\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMax Slew Rate\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1,800x (7.5deg\/sec) – 16V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eInput Power\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDC 12V ~ 16V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePower Consumption(Tracking, 12V)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePower Consumption (Slew, 12V)\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1.0~2.0A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePC Connection\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eASCOM Driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eGPS\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eBuilt-in (Hand Controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eWiFi\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eBuilt-in (Hand Controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eHome Sensor\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eASIAIR, StellarMate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePeriodic error\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±2.5arcsec (430sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eINCLUDED ITEMS: \u003c\/p\u003e\n\u003cul class=\"fusion-checklist fusion-checklist-3\"\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eRST-135E mount\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eHand controller (Hubo-i SE)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eCable for hand controller\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eUSB cable\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003ePower cable (5.5×2.1mm DC)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eAdapter for camera tripod(3\/8″ thread)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eAdapter for PoleMaster\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003eSoft case for mount\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"fusion-li-item\"\u003e\n\u003cspan class=\"icon-wrapper circle-no\"\u003e\u003ci class=\"fusion-li-icon fa-check fas\"\u003e\u003c\/i\u003e\u003c\/span\u003e\n\u003cdiv class=\"fusion-li-item-content\"\u003e\n\u003cp\u003e4mm Hex Wrench\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Rainbow Astro","offers":[{"title":"Default Title","offer_id":45145591709953,"sku":"RST-135E","price":5990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/RST-135E_FLT91_Closeup_crop_800px_q8.jpg?v=1715980161"},{"product_id":"star-adventurer-gti-mount-kit","title":"Star Adventurer GTi Mount Kit with Tripod","description":"\u003cul\u003e\n\u003cli\u003eSFull GoTo performance in a portable Star Adventurer mount\u003c\/li\u003e\n\u003cli\u003eLightweight equatorial mount for deep space, widefield, and nightscape astrophotography\u003c\/li\u003e\n\u003cli\u003e11-pound payload capacity\u003c\/li\u003e\n\u003cli\u003eMultiple pre-programmed tracking rates including sidereal, solar, and lunar\u003c\/li\u003e\n\u003cli\u003eInterfaces: USB, autoguider (ST4), SynScan hand controller, and a SNAP port for DSLR shutter control programmable via free SynScan Pro app\u003c\/li\u003e\n\u003cli\u003eControl with your smartphone via Wi-Fi or with the optional SynScan hand box\u003c\/li\u003e\n\u003cli\u003eBuilt-in illuminated polar scope for precise alignment\u003c\/li\u003e\n\u003cli\u003eDual counterweight positions for use at low latitudes\u003c\/li\u003e\n\u003cli\u003ePowered by eight AA batteries (not included) or external source via 2.1 DC 12v port\u003c\/li\u003e\n\u003cli\u003eAccepts a V-style dovetail plate\u003c\/li\u003e\n\u003cli\u003eLifetime free firmware upgrades\u003c\/li\u003e\n\u003cli\u003e3\/8-inch tripod mount\u003c\/li\u003e\n\u003cli\u003eStar Adventurer GTi steel tripod and pier extension included \u003c\/li\u003e\n\u003cli\u003eOptional shutter release cable and ball head adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSince its introduction in 2014, the Star Adventurer has been at the forefront of the lightweight, portable astroimaging revolution. And now, with the Star Adventurer GTi, we take the next step with full GoTo performance in a compact package.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe all-new Star Adventurer GTi features a built-in illuminated polar scope for precision alignment in EQ mode, ports for USB, autoguider, V-style dovetail, optional SynScan hand controller, and SNAP shutter control for your DSLR (programmable via Sky-Watcher’s free SynScan Pro app for iOS and Android). Star Adventurer GTi also includes a dual-position counterweight for use at low latitudes as well as full smartphone control via Wi-Fi. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith the added GoTo feature plus multiple tracking rates including lunar, solar, and sidereal, the heavens are yours to capture and explore.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith its 11-pound payload capacity, Star Adventurer is well-equipped to handle your DLSR or mirrorless camera sporting a wide-angle or telephoto lens plus accessories, a small aperture astrograph with a dedicated astro camera, or even small OTA’s such as our Skymax series of Maksutov-Cassegrain telescopes perfect for deep space objects, the Moon, and planets.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAvailable in two configurations (with or without tripod and pier extension), Star Adventurer GTi is the perfect mount for the astrophotographer that wants the ultimate in both performance and portability.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":45563953545473,"sku":"S20595","price":679.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/S20595_SA-GTi_FULL_Pos01_LeftFront_NoBkgrd_1800x1800_9f88a046-4d1e-4ff8-a29a-5643aef6f4b8.jpg?v=1725391220"},{"product_id":"zwo-am5n-harmonic-drive-equatorial-mount","title":"ZWO AM5N Harmonic Equatorial Mount","description":"\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2831,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} \/--\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2832,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} --\u003e\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003ca data-elementor-open-lightbox=\"no\" 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srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-300x163.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-1024x555.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-768x416.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-370x200.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-840x455.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-410x222.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e-730x395.jpg 730w\" height=\"650\" width=\"1200\" alt=\"\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/350449d52365afdac2d85ce59c44c36e.jpg\" class=\"alignnone wp-image-75459 size-full\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003ca data-elementor-open-lightbox=\"no\" class=\"inited\" rel=\"magnific\" href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e.jpg\"\u003e\u003cimg sizes=\"(max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-300x163.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-1024x555.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-768x416.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-370x200.jpg 370w, 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href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7.jpg\"\u003e\u003cimg sizes=\"(max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-300x163.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-1024x555.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-768x416.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-370x200.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-840x455.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-410x222.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7-730x395.jpg 730w\" height=\"650\" width=\"1200\" alt=\"\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/135007e7085979a7d5b41ce54c0e54d7.jpg\" class=\"alignnone wp-image-76612 size-full\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e*Note: The recommended operating voltage for the ZWO Harmonic Equatorial Mount is 12V. When the actual input voltage is below 10.8V, the mount will emit a beeping alarm to indicate under-voltage condition. To ensure proper functioning of the equipment, we recommend using the official ZWO power adapter and an appropriately sized power cable. \u003c\/figure\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM5N_updated_specification.jpg?v=1756317929\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca data-elementor-open-lightbox=\"no\" class=\"inited\" rel=\"magnific\" href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/0f9763b79208a6effbddab6341ec65c3.jpg\"\u003e\u003cimg sizes=\"(max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/0f9763b79208a6effbddab6341ec65c3.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/0f9763b79208a6effbddab6341ec65c3-164x300.jpg 164w, 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src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/0f9763b79208a6effbddab6341ec65c3.jpg\" class=\"alignnone wp-image-75383 size-full\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003c!-- \/wp:image --\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2847,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} \/--\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2848,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} \/--\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2849,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} \/--\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2851,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} \/--\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2852,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} --\u003e\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003c\/figure\u003e\n\u003cp\u003e\u003c!-- \/wp:image 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https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/5e8191b9ae5efadd964be13df138fec4-630x630.jpg 630w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/5e8191b9ae5efadd964be13df138fec4-730x730.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/5e8191b9ae5efadd964be13df138fec4-460x460.jpg 460w\" height=\"1200\" width=\"1200\" alt=\"\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/5e8191b9ae5efadd964be13df138fec4.jpg\" class=\"alignnone wp-image-75381 size-full\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003c\/figure\u003e\n\u003cp\u003e\u003c!-- \/wp:image --\u003e\u003c!-- wp:image {\"align\":\"center\",\"id\":2858,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} --\u003e\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg sizes=\"(max-width: 1000px) 100vw, 1000px\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/7474fc710263d7220dce52b9ad2d1cdc.jpg 1000w, 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loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cp\u003e\u003c!-- \/wp:image --\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45565681303809,"sku":"ZWO-AM5N","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/5.jpg?v=1719963125"},{"product_id":"sky-watcher-eq-al55i-pro","title":"Sky-Watcher EQ-AL55i Pro","description":"\u003cdiv class=\"pdp-short-description\"\u003e\n\u003cul\u003e\n\u003cli\u003eEquatorial GoTo mount \u003c\/li\u003e\n\u003cli\u003e22-pound payload capacity \u003c\/li\u003e\n\u003cli\u003e0- 90° latitude range \u003c\/li\u003e\n\u003cli\u003eSynScan Go To telescope mount with 42,900+ object database \u003c\/li\u003e\n\u003cli\u003eBuilt-in WiFi \u003c\/li\u003e\n\u003cli\u003eControlled with SynScan Pro app for iOS and Android \u003c\/li\u003e\n\u003cli\u003eDual axis tracking \u003c\/li\u003e\n\u003cli\u003eOne 7.5-pound counterweight and one 4-pound counterweight included \u003c\/li\u003e\n\u003cli\u003eBuilt-in illuminated polar scope \u003c\/li\u003e\n\u003cli\u003eAdjustable height, steel legged tripod \u003c\/li\u003e\n\u003cli\u003eDC power cord\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePier Extension, OTA, Hand Controller sold separately \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLightweight Portability, Redefined\u003c\/h2\u003e\n\u003cp\u003eThe EQ-AL55i Pro is the perfect entry to intermediate level equatorial platform for observers and imagers looking to build a serious rig without breaking the bank.  \u003c\/p\u003e\n\u003cp\u003eRedesigned from the popular EQM-35 the EQ-AL55i features fully encased motor housings and two positions for the counterweight bar and optional pier extension making this mount the perfect choice for observers and imagers in lower latitudes.\u003c\/p\u003e\n\u003cp\u003eFeaturing Wi-Fi, Bluetooth SynScan, and ASCOM telescope control, 22-pound payload capacity, a guidescope and SNAP port, the EQ-AL55i is a perfect choice for a mid-size imaging mount.\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMount General Specifications\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount type (AZ, EQ or borth)\u003c\/td\u003e\n\u003ctd\u003eEquatorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount weight insturment capacity\u003c\/td\u003e\n\u003ctd\u003e22 pounds (9.97kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head size\u003c\/td\u003e\n\u003ctd\u003e286mm x 241mm x 133mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head weight\u003c\/td\u003e\n\u003ctd\u003e8.2 pounds (3.7kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e11.5 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Retracted\/Extended\u003c\/td\u003e\n\u003ctd\u003e45\"\/58\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Spread Retracted\/Extended\u003c\/td\u003e\n\u003ctd\u003e33.5\"\/45\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod folded measurements\u003c\/td\u003e\n\u003ctd\u003e39\" long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Leg diameter\u003c\/td\u003e\n\u003ctd\u003e1.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter weight bar\u003c\/td\u003e\n\u003ctd\u003e10.75\" x 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Saddle type\u003c\/td\u003e\n\u003ctd\u003eV-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight bar?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight bar retractable?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight bar length and diameter\u003c\/td\u003e\n\u003ctd\u003e15\"x31.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of motor\u003c\/td\u003e\n\u003ctd\u003eServo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive type (belt, gear, direct, etc.)\u003c\/td\u003e\n\u003ctd\u003eGear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Loaded Worms\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA gear size\u003c\/td\u003e\n\u003ctd\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope illuminated?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eSideral, Solar, Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude range (in degrees)\u003c\/td\u003e\n\u003ctd\u003e0°-80°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eElectronics Specifications\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreedom Find?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller port\u003c\/td\u003e\n\u003ctd\u003eYes (RJ-45, 8-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port?\u003c\/td\u003e\n\u003ctd\u003eYes (RJ-12, 6-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNAP Port?\u003c\/td\u003e\n\u003ctd\u003eYes (2.1mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC connect USB port?\u003c\/td\u003e\n\u003ctd\u003eYes (USB-C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: USBs (how many and type)\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: Power ports (how many and type)\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: AUX ports (how many and type)\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in GPS?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in WiFi?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller?\u003c\/td\u003e\n\u003ctd\u003eNo* (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller cable used\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo Database\u003c\/td\u003e\n\u003ctd\u003e42,000+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements?\u003c\/td\u003e\n\u003ctd\u003eDC9 ~ 12.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Battery Pack\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount power port size and style\u003c\/td\u003e\n\u003ctd\u003e2.1mm female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Accessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter Weight\u003c\/td\u003e\n\u003ctd\u003e3.9 lbs (1.8kg) \u0026amp; 7.7 lbs (3.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEQ base\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDec. Bracket\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Head adapter\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope illuminator\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePier Extension\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Cable?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNAP cable?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Accessories\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller holder?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Measurements\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e25.35 pound (14.8kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e40\" x 19\" x 9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":46040211980545,"sku":"S30515","price":719.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AL55_1.webp?v=1739396206"},{"product_id":"sky-watcher-az-gti-mount","title":"Sky-Watcher AZ-GTi Mount","description":"\u003cdiv class=\"pdp-short-description\"\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-purpose alt-azimuth mount\u003c\/li\u003e\n\u003cli\u003e11-pound payload capacity\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi\u003c\/li\u003e\n\u003cli\u003eSpring loaded worm gears\u003c\/li\u003e\n\u003cli\u003eSynScan GoTo telescope mount with 42,900+ object database\u003c\/li\u003e\n\u003cli\u003eControlled with SynScan Pro app for iOS and Android\u003c\/li\u003e\n\u003cli\u003eFreedom Find™ dual-encoder technology\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with 1.25-inch diameter legs\u003c\/li\u003e\n\u003cli\u003eDC operation (batteries not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eRock Solid GoTo Tracking Built for Globe Trekking\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSky-Watcher’s AZ-GTi is the perfect tracking platform for those seeking a compact travel mount capable of both alt-az GoTo alignment and video timelapse. Boasting a payload capacity of 11 pounds, this modular mount can support anything from a small Maksutov or refractor to a mid-sized DSLR for timelapse photography. Weighing just 8.6-pounds, the AZ-GTi is the ideal travel mount, easily fitting in carry-on luggage and perfect for grab-and-go situations or even long photographic pilgrimages.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRevolutionary Wi-Fi Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AZ-GTi is one of the first Sky-Watcher products featuring built in Wi-Fi control. Once connected to the mount, use Sky-Watcher’s SynScan Pro app to align the mount for celestial tracking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Integration with any Tripod\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AZ-GTi includes an adjustable aluminum tripod with built in pier extension. The mount can attach to a tripod using a 3.8-inch-16 thread and includes an adapter for ¼-inch-20 thread sizes, making it capable of mounting to nearly any tripod.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Shutter Release Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo need for an intervelometer timer with the AZ-GTi! With a 60-second preset exposure setting, the AZ-GTi can trigger a DSLR using the auxiliary shutter release cable. Once the camera is plugged into the mount and a shot is fired, it will continually shoot 60 second exposures until the cable is removed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Find™\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor those looking for the ultimate visual tracking mount, the AZ-GTi features Sky-Watcher's Freedom Find™ dual-encoder system. These encoders are separate from the mount's GoTo system and allow you to disengage the clutches and manually move the mount around the sky without losing your initial alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable in three configurations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether it's the mount only, with a 102mm Maksutov OTA, or with a 127mm Maksutov OTA, the AZ-GTi delivers the perfect grab-and-go system for the astronomer that’s on the move.\u003c\/p\u003e\n\u003cp\u003eThe AZ-GTi comes with the mount head, pier extension, and tripod.\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Mount Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eAlt-AZ\/EQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload Capacity (lbs)\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Height (Min)\u003c\/td\u003e\n\u003ctd\u003e31.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Height (Max)\u003c\/td\u003e\n\u003ctd\u003e59.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight (lbs)\u003c\/td\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight (lbs)\u003c\/td\u003e\n\u003ctd\u003e7.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFully Assembled Weight (w\/ weights)\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Leg Diameter\u003c\/td\u003e\n\u003ctd\u003e1.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Saddle Type\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Type\u003c\/td\u003e\n\u003ctd\u003eAA\/12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClutch\u003c\/td\u003e\n\u003ctd\u003eSlip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Range (degrees)\u003c\/td\u003e\n\u003ctd\u003e0-90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComputer\/Drive System Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003eApp Data base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Align Assist\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Guide\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDual Encoders\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSLR Interface\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eStepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive System\u003c\/td\u003e\n\u003ctd\u003eGear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":46371830989057,"sku":"S21110","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AZ-GTi_Main_1800x1800_c114caba-fa34-4855-bb7c-5ef2d80ada9d.webp?v=1749237774"},{"product_id":"zwo-am3n-harmonic-equatorial-mount","title":"ZWO AM3N Harmonic Equatorial Mount","description":"\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_1.jpg?v=1756318467\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eWhy AM3N?\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_2.jpg?v=1756318467\"\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003ch3\u003eAM3N vs AM3\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea.jpg\" rel=\"magnific\" class=\"inited\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg decoding=\"async\" class=\"alignnone size-full wp-image-86427\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea.jpg\" alt=\"\" width=\"1200\" height=\"Auto\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-185x300.jpg 185w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-632x1024.jpg 632w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-768x1245.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-948x1536.jpg 948w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-370x600.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-840x1362.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-410x665.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-15x24.jpg 15w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-22x36.jpg 22w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-30x48.jpg 30w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2025\/08\/adde93c309e4556ece8dc6688f154bea-730x1183.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eEngineered for simplicity: two cables deliver a clean, efficient setup that gets you imaging faster than ever.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_4.jpg?v=1756318467\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eStrain Wave Gear\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003es\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e for Precision Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eAstrophotography demands both stability and accuracy, and the adoption of a custom-engineered strain wave gear system addresses these needs directly. The gear train is designed to minimize periodic error, provide exceptionally smooth motion, and deliver high torque capacity—factors critical for long-exposure imaging.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-left: 0.29in; text-indent: -0.29in; margin-bottom: 0in; text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eWithin the mount, a strain wave gear reducer works in concert with a synchronous belt drive, yielding precise control and a notable 300:1 reduction ratio. Each unit undergoes individual testing, and a periodic error (PE) curve report is supplied with every mount, offering users verified performance data for confidence in the field.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-left: 0.29in; text-indent: -0.29in; margin-bottom: 0in; text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-left: 0.29in; text-indent: -0.29in; margin-bottom: 0in; text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_5.jpg?v=1756318466\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eZWO measures each mount and equips it with an exclusive PE curve before it leaves the factory.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Tahoma, serif;\"\u003eThe X-axis represents the drive angle, and the Y-axis shows the periodic error, which is consistently maintained within ±15 arcseconds.\u003c\/span\u003e\u003cspan style=\"font-family: 宋体, serif;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eIntegrated Type-C and DC Power Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe upgraded AM3N weighs just 4.1 kg (9.04 lbs), with a newly optimized design for improved portability and cable management.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e The dovetail saddle now integrates Type-C and 12V DC ports to minimize clutter, while a magnetic hex key attaches directly to the mount for convenient storage.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_6.jpg?v=1756318655\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003ePowerful Payload Capacity: 8 –13 kg\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe mount supports up to 8 kg (17.6 lbs) without counterweights—double its own weight—and up to 13 kg (28.7 lbs) with counterweights, more than triple its weight.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThis payload capacity easily accommodates a wide range of telescopes, providing a s\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003etable\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e and reliable foundation for your viewing and imaging needs.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_7.jpg?v=1756318655\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_8.jpg?v=1756318655\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_9.jpg?v=1756318655\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eBased on internal testing:\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e1. Maximum load without the counterweight: 8 kg (17.64 lbs) (maximum output torque: 16N · m);\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e2. Supported counterweight: ≤ 5 kg (11.02 lbs). Maximum load capacity with the counterweight: 13 kg (28.66 lbs).\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e3. \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe counterweight should be secured on a counterweight bar of no more than 25 cm (9.84 in) in length.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eEquatorial Mode \/ Alt\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e-\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eazimuth Mode\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eCan be switched via SkyAtlas App or Hand Controller.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_10.jpg?v=1756318655\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_11.jpg?v=1756318770\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eStatus Light Indicator\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_12.jpg?v=1756318771\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eAll-round 0°-90° Altitude Scale\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe AM3N features a versatile altitude adjustment design ranging from 0° to 90°, allowing for unrestricted use across both low\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e-\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eand high\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e-\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003elatitude regions.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eGear 1: Rotate the altitude tension knob\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003efor adjustment \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003ebetween 0 and 60.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eGear 2: Loosen \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003ethe \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eM6 hex \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003escrew,\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eand \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eallows adjustment\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003efrom\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: medium; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"background-position: 0% 0%; background-repeat: repeat; background-attachment: scroll; background-image: none; background-size: auto; background-origin: padding-box; background-clip: border-box;\"\u003e30\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eand 90.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_13.jpg?v=1756318770\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eEvolved Portable Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eWi-Fi \u0026amp; Bluetooth Connectivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe AM3N \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003efeatures built-in\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eWi-Fi and Bluetooth\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e, \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eenabling direct smartphone\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e control\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e — no Hand Controller required. Wi-Fi functionality is provided through the hand controller, which houses the WiFi transmitter. Ideal for travel and field use, just bring your phone and you're ready to observe or image.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_14.jpg?v=1756318773\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eWireless Control via\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e Mobile Apps\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eOperate the mount directly from your phone with an intuitive app featuring an on-screen joystick, Tonight’s Target, GOTO, Live Preview, and more. \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe mount is compatible with ASCOM, INDI, ASIAIR, and other platforms.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_15.jpg?v=1756318770\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eSeamless ASIAIR Integration\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eExperience astrophotography at its best with the ZWO Ecosystem—where every component works together in perfect harmony\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_16.jpg?v=1756318940\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_17.jpg?v=1756318940\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_18.jpg?v=1756318940\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_19.jpg?v=1756318940\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; widows: 2; orphans: 2;\" align=\"LEFT\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-family: Arial, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_20.jpg?v=1756318940\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46670065926401,"sku":"ZWO-AM3N","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/AM3_Product1.jpg?v=1756318416"},{"product_id":"zwo-am7-harmonic-equatorial-mount","title":"ZWO AM7 Harmonic Equatorial Mount","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Main_picture.jpg?v=1769551965\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Mount_Comparison.jpg?v=1769551963\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/what_in_box.jpg?v=1769551941\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/specifications.jpg?v=1769551951\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/Structural_dimensions.jpg?v=1769551947\" alt=\"\"\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47564753371393,"sku":"ZWO-AM7","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/1_7369afdd-6ec5-4daf-a3c8-bfcdafca8758.jpg?v=1769551736"},{"product_id":"iexos-100-2-pmc-eight-equatorial-tracker-system-with-wifi-and-bluetooth®","title":"iEXOS-100-2 PMC-Eight Equatorial Tracker System with WiFi and Bluetooth®","description":"\u003cp\u003eThe iEXOS-100 is an astronomical GOTO system that utilizes a proven German equatorial mount design and Explore Scientific’s revolutionary PMC-Eight™ Precision Motion Control system to flawlessly navigate the night sky and track objects as they journey across it. Features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Explore Scientific PMC-Eight™ system that transcends the industry standard single processor by utilizing eight CPUs that operate independently of one another to focus on defined functions, which results in superior responsiveness, efficiency, reliability and astoundingly fast timing intervals.\u003c\/li\u003e\n\u003cli\u003eClutched dual-axis worm gears with quiet precision stepper motor belt drives\u003c\/li\u003e\n\u003cli\u003eIntuitive ExploreStars app, which is available for Apple, Android and Windows tablets, that makes it simple to operate the GOTO system. Through it, users can quickly align their telescope, navigate the stars and learn specifics about tens of thousands of celestial objects\u003c\/li\u003e\n\u003cli\u003eClutched RA and Declination axis are smooth and allow for precise balancing which makes the process of repositioning your telescope efficient\u003c\/li\u003e\n\u003cli\u003ePolar alignment sight hole through the RA axis and precise altitude control for fast alignment without polar scope.\u003c\/li\u003e\n\u003cli\u003eBattery pack powering the PMC-Eight™ system uses 8 C batteries and is secured in a bracket on one of the tripod legs when in use. NOTE: These batteries will generally give less than 2 hours of use before the voltage drops, causing the motors to act erratically. External power supply recommended.\u003c\/li\u003e\n\u003cli\u003eTwo 1 kg counterweights included\u003c\/li\u003e\n\u003cli\u003eGlow-in-the-dark markings on mount and tripod\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan\u003eThe iEXOS-100 PMC-Eight™ Equatorial Tracker System is a \u003c\/span\u003ecomplete astronomical computerized Wifi or Wired GOTO Equatorial Tracker with integrated PMC-Eight\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eelectronics suitable for attaching\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSmall Telescopes or DSLR Cameras\u003c\/strong\u003e attached to the Explore Scientific DSLR Camera Dovetail Assembly.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eUse with the free ExploreStars App for Tablets (Windows, Android, Amazon and Apple), or with the free ASCOM Standards Compliant PMC-Eight\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eASCOM driver and the ASCOM POTH Client from Explore Scientific (either wired or wireless) to work with virtually any sky software that supports ASCOM. Tablet or computer must be purchased separately.\u003c\/p\u003e\n\u003cp\u003eThe iEXOS-100 utilizes a proven German equatorial mount design and Explore Scientific’s revolutionary PMC-Eight™ Precision Motion Control system to flawlessly navigate the night sky and track objects as they journey across it. This combination provides superior observing and imaging performance without a prohibitive price tag.\u003c\/p\u003e\n\u003cp\u003eGOTO systems play an important role in the world of amateur astronomy because they ensure users spend less time searching for particular objects and more time observing and imaging. The PMC-Eight\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ewith its versatile connections supported with free to download apps for Windows computers or Android and iOS tablets only (tablets must have a screen of at least 7 inches), or through the free to download ASCOM PMC-Eight\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003edriver and POTH Client to connect to your favorite ASCOM Compliant Astronomical Software, can allow you to control the telescope from a few feet away or by communicating computer-to-computer with an Internet connection from virtually anywhere in the world. \u003c\/p\u003e\n\u003cp\u003eOne of the standout features of the iEXOS-100 system is its German equatorial design. When it comes to tracking the stars with a telescope, there is nothing that compares to a German Equatorial Mount (GEM) because it will precisely follow objects as they rise in the east and set in the west. For observers, a GEM makes it easy to keep your celestial target in your eyepiece. For imagers, it helps you avoid common astrophotography pitfalls like field rotation.\u003c\/p\u003e\n\u003cp\u003eBefore you can track an object, you need to find it, and that objective can be daunting when you’re faced with a vast expanse of inky black sky or a bright city sky. The iEXOS-100 puts a powerful GOTO system in your arsenal of astronomical tools that takes the frustration out of navigating the night sky. This integrated version of Explore Scientific’s PMC-Eight™ system transcends the industry standard single processor by utilizing an 8-core microcontroller with eight CPUs that operate independently of one another to focus on defined functions. This delegation of tasks among the processors results in a system that offers superior responsiveness, efficiency, reliability and astoundingly fast timing intervals for smooth image acquisition and accurate tracking.\u003c\/p\u003e\n\u003cp\u003eAlthough it is internally complex, the GOTO system can be easily operated from your own Apple, Android or Windows tablet using the ExploreStars app, which has an intuitive nature that makes it simple and quick to align your telescope, navigate the stars and learn specifics about tens of thousands of celestial objects. This dynamic app is fueled by a database that is routinely updated to ensure it remains a relevant resource.\u003c\/p\u003e\n\u003cp\u003eOur commitment to creating a streamlined GOTO mount is obvious in other design choices. The iEXOS-100 has smooth locking clutches that will let you quickly reposition your telescope from one side to the other and an altitude knob for smooth height adjustments. The mount base includes a small polar alignment tunnel that allows users to roughly align their observing setup with Polaris. It also has a simple bubble level that comes in handy when stabilizing your tripod. Other features include a bracket for holding the battery pack, which powers the PMC-Eight\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003esystem through 8 C batteries (not included); two 1 kg counterweights for balancing (telescopes and accessories that weigh more than 6 lbs required additional\u003cspan\u003e \u003c\/span\u003ecounterweights); and glow-in-the-dark markers on certain points of the mount and tripod so you can stay oriented with your setup at night. The mount is designed to hold up to 19 lbs (scope, accessories, and counterweights added together).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe mount weighs 9.45 pounds (4.29 kg), while the lightweight \u003cem\u003eTravel Tripod\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand accessory tray weighs 5.5 pounds (2.5 kg). The\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eTravel Tripod\u003c\/em\u003e, when collapsed is 27.25 inches (69.21 cm) tall.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTech Specs\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eMount head weight\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003eInstrument 9.45 lbs.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eTripod weight\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e5.35 lbs.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eTripod fully collapsed, no mount head\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e25.5”\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eTripod open, retracted legs, no mount head\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e25”\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eTripod open, legs fully extended, no mount head\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e42”\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eTripod open, legs fully extended with the mount head\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e45” at highest point\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eCounterweights\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e1 kg each\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eMount weight capacity: \u003c\/span\u003e\u003cspan class=\"speccell\"\u003e15 lbs Photographic (equipment and counterweights); \u003c\/span\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":48183773659393,"sku":"iEXOS-100-2","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/iExos100_Full_3_c1ba9e87-dd8b-4f32-b340-3fe41ea11fbe.jpg?v=1772658801"},{"product_id":"heq5-r-mount","title":"HEQ5-R Mount","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMeticulous Mid-Range Machinery. Powerful. Compact. Precise.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eDual-axis belt drives deliver whisper-quiet, extremely accurate movement for both axes\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAll internal motor cables prevent snagging and make remote observing more reliable\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWi-Fi provides untethered control of mount functions and access to all of the SynScan Pro app features\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eSky-Watcher SynScan mounts have been designed for use by novices and experts alike. These mounts provide extremely high precision tracking and have built in autoguider ports. This heavy-duty HEQ5-R Pro mount is a smaller version of the sturdy EQ6-R Pro mount. It is specially designed for observers who need the steadiness of the EQ6-R Pro mount but find it too physically demanding. But make no mistake, the HEQ5-R Pro can be that perfect mid-range rock solid platform you build your astroimaging rig on.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e42,000+ Object Database\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFor novice users, the user-friendly menu allows automatic slewing to 42,900+ objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The hand controller can be connected to a PC using the built-in USB-B port and a USB-B cable (not included). PC control can be done with SynScan Pro for Windows app or your favorite third-party software with the correct drivers.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFlexible Polar Alignment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eSky-Watcher includes an illuminated polar finderscope to aid the alignment process. The finderscope features a circular grid reticle for the Northern Hemisphere, consistent with today’s popular polar alignment apps. For astronomers in the Southern Hemisphere, the constellation Octans is built into the reticle as well. Even without a clear view of Polaris, the HEQ5-R Pro can be polar aligned using our SynScan hand controller. Simply choose one of the visible stars listed and use the latitude adjustment screws to center it in the eyepiece.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBundle of Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAs is customary with all Sky-Watcher products, an assortment of accessories are included with the HEQ5-R Pro mount. A retractable counterweight bar is supplied, allowing for easier transportation. Two 11-pound counterweights are also included to help balance up to a 30-pound payload. The HEQ5-R Pro features a saddle compatible with both D- and V-style mounting plates, allowing users the flexibility to utilize multiple optical tubes, even if the mounting plate is different.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e66-Pounds Fully Assembled\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe HEQ5-R’s light weight – along with its 33-pound payload capacity – makes it the ideal travelling companion for any astronomer.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePerfect For All Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePrecision tracking, no external motor cables, all-metal bearings and belt drive means the HEQ5-R is the perfect platform for the beginning to the advanced astronomer, visual or astrophotographic.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSynScan Computerized Hand Controller\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWith an internal database of over 42,000 astronomical objects, the SynScan controller provides hours of effortless navigation of the universe.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p2\"\u003eAll metal gears on both axes.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eStepper motors with 1.8° step angle and 64 micro steps driven.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eSlewing speed up to 3.4°\/sec (800x).\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eLatitude adjustment screws.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eAuto Guider Interface for astrophotography.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eGuiding speed selectable from 0.25x, 0.50x, 0.75x or 1x.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eObject database containing complete Messier, NGC and IC catalogs.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMinimal vibration for steady long-exposure photography.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003ePC compatibility.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eUpgradeable hand control via internet download.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead aria-hidden=\"true\" class=\"hide-thead\"\u003e\u003c\/thead\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eMount General Specifications\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount type (AZ, EQ or borth)\u003c\/td\u003e\n\u003ctd\u003eEquatorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount weight insturment capacity\u003c\/td\u003e\n\u003ctd\u003e33 pounds (9.97kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head weight\u003c\/td\u003e\n\u003ctd\u003e26 pounds (11.8kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e13 pounds (5.9kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Retracted\/Extended\u003c\/td\u003e\n\u003ctd\u003e33\"\/45.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Spread Retracted\/Extended\u003c\/td\u003e\n\u003ctd\u003e39.5\"\/53\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod folded measurements\u003c\/td\u003e\n\u003ctd\u003e38.25\" long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Leg diameter\u003c\/td\u003e\n\u003ctd\u003e1.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter weight bar\u003c\/td\u003e\n\u003ctd\u003e11.25\" x 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Saddle type\u003c\/td\u003e\n\u003ctd\u003eD\/V-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight bar?\u003c\/td\u003e\n\u003ctd\u003eYes (thread on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight bar retractable?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of motor\u003c\/td\u003e\n\u003ctd\u003eStepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive type (belt, gear, direct, etc…)\u003c\/td\u003e\n\u003ctd\u003eBelt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Loaded Worms\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA gear size\u003c\/td\u003e\n\u003ctd\u003e74mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope illuminated?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eSideral, Solar, Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude range (in degrees)\u003c\/td\u003e\n\u003ctd\u003e5°-72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eElectronics Specifications\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreedom Find?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller port\u003c\/td\u003e\n\u003ctd\u003eYes (RJ-45, 8-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port?\u003c\/td\u003e\n\u003ctd\u003eYes (RJ-12, 6-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNAP Port?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC connect USB port?\u003c\/td\u003e\n\u003ctd\u003eYes (USB-B 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: USBs (how many and type)\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: USBs hub powered?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: Power ports (how many and type)\u003c\/td\u003e\n\u003ctd\u003e2.1mm female, 1.5A minimum (QTY: 2) USB-A Guide Port (ST-4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable management: AUX ports (how many and type)\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in GPS?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in WiFi?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller cable used\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo Database\u003c\/td\u003e\n\u003ctd\u003e42,000+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirements?\u003c\/td\u003e\n\u003ctd\u003eDC9 ~ 12.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount power port size and style\u003c\/td\u003e\n\u003ctd\u003e2.1mm female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eIncluded Accessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter Weight\u003c\/td\u003e\n\u003ctd\u003e11 lbs (4.9kg) (QTY: 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEQ base\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDec. Bracket\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Head adapter\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope illuminator\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarscope\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePier Extension\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Cable?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNAP cable?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Accessories\u003c\/td\u003e\n\u003ctd\u003eCounter Weight Bar Extension (7.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand controller holder?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Measurements\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight (Mount Head Box )\u003c\/td\u003e\n\u003ctd\u003e33.7 pounds (15.28kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e52\"x10.2\"x10.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight (Tripod Box)\u003c\/td\u003e\n\u003ctd\u003e43.4 pounds (19.68kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":48496917676289,"sku":"S30450","price":1695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0327\/2569\/6648\/files\/HEQ5-RPro_Mounthead_LeftProfile.jpg?v=1776159593"}],"url":"https:\/\/starizona.com\/collections\/mounts.oembed?page=3","provider":"Starizona","version":"1.0","type":"link"}