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9mm 100° Series Argon-Purged
Explore Scientific$579.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$579.99 -
9mm 120° Series Argon-Purged
Explore Scientific$999.999mm Focal Length 120° Apparent Field 13mm Eye Relief Argon-Purged Waterproof EMD Coatings 2" Barrel
$999.99 -
9mm Nagler - Type 6
TeleVue$335.00The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Na...
View full details$335.00In Stock -
9mm Omni
Celestron$39.95If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. C...
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A Dictionary of Modern Star Names
Sky & Telescope$12.95Authors: Paul Kunitzsch & Tim SmartSoftcover: 76 pagesSirius, Algol, Castor and Pollux, Mizar and Alcor: these names are well known to stargaze...
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A Field Guide to Birds of the Desert Southwest
Gulf Publishing$21.95Author: Barbara L. DavisPaperback: 320 pagesThis field guide takes you to the desert and grassland areas of Arizona, California, and New Mexico whe...
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A Field Guide to the Moon: Awe and Exploration Across Human History book
Wildsam$20.00Here's a first--a travel guide to the ultimate destination: the Moon. For all of human history, the Moon has captured the world's imagination. In t...
View full details$20.00 -
A Field Guide to the Plants of Arizona
Falcon$24.95Author: Anne Orth EpplePaperback: 532 pagesMore than 900 color photographs and descriptive text identify Arizona's unique flora, including wildflow...
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A Modern Guide to Planetary Imaging
Damian Peach$39.95A Modern Guide to Planetary Imagingis a new DVD release from renowned planetary observer and astronomer Damian Peach. This DVD provides a wealth of...
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A Nightwatchman's Journey: The Road Not Taken book
David Levy$34.95About the book from the Author, David Levy: "It is a book I have been working on for almost a decade, and it is the story of my life. The book begi...
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AC Adapter - Celestron CPC/NexStar/CGE Series Telescopes
Celestron$27.95This 2.5-amp AC adapter works with any Celestron CPC, NexStar GPS, NexStar SE, NexStar GT, NexStar SLT or CGE series telescope, as well as some old...
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AC Power Supply - 12V 5A
ShenZhen Technology Co.$24.95Works with ZWO Cameras and ZWO ASIair Works on Celestron Mounts and Products 10ft long cord 2.1x5.5 Male Connector Center positive
$24.95In Stock -
ADM DV Series Dovetail Adapter for PoleMaster Mounting
ADM Accessories$84.00Fits D Series or V Series dovetail bars. Attach the QHY PoleMaster to a D series or V Series dovetail bar. Incorporates a split clamp design that g...
View full details$84.00 -
Advanced VX 11" Schmidt-Cassegrain
Celestron$3,699.00For those looking to step up to an 11-inch optical tube, Advanced VX is a great option. Not only is it one of Celestron’s most affordable 11-inch t...
View full details$3,699.00 -
Advanced VX 6" Newtonian
Celestron$1,329.00For those new to astronomy and astroimaging, the Advanced VX 6” Newtonian is an excellent entry-level setup that can grow with you. The Newtonian o...
View full details$1,329.00 -
Advanced VX 6" Refractor
Celestron$1,899.00For planetary imaging and brighter deep-sky objects, many astroimagers say there’s no better choice than a refractor. Unlike Schmidt-Cassegrain or ...
View full details$1,899.00 -
Advanced VX 6" Schmidt-Cassegrain
Celestron$1,749.00For the intermediate visual observer and beginning astroimager, the Advanced VX 6” SCT is the most affordable Schmidt-Cassegrain telescope on a sol...
View full details$1,749.00 -
Advanced VX 8" EdgeHD
Celestron$2,799.00This setup offers the astroimager maximum versatility – allowing up to 3 different f-stop configurations. Users can attach a camera to the rear of ...
View full details$2,799.00 -
Advanced VX 8" Newtonian
Celestron$1,629.00Large aperture at an affordable price, Celestron's Advanced VX 8” Newtonian provides 78% more light-gathering abilities compared to the 6” model. T...
View full details$1,629.00 -
Advanced VX 8" Schmidt-Cassegrain
Celestron$2,299.00The iconic 8-inch Schmidt-Cassegrain has been known for decades as Celestron’s most beloved telescope. Now beginner to intermediate astroimagers ca...
View full details$2,299.00In Stock -
Advanced VX 9.25" Schmidt-Cassegrain
Celestron$2,949.00Advanced VX 9.25” SCT is an excellent choice for intermediate level astroimagers looking to gather 33% more light than our 8” telescope, but withou...
View full details$2,949.00 -
Advanced VX Mount
Celestron$1,179.00Engineered from the ground up with astroimaging in mind, the new Advanced VX series from Celestron sets a new standard in mid-level telescopes. Adv...
View full details$1,179.00In Stock -
ALUMINUM DEW SHIELD WITH COVER CAP - 11"
Celestron$249.95Fits 11” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare f...
View full details$249.95In Stock -
ALUMINUM DEW SHIELD WITH COVER CAP - 6"
Celestron$109.95Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare from entering the optical system Rigid body with a velvet-lined...
View full details$109.95In Stock -
ALUMINUM DEW SHIELD WITH COVER CAP - 8"
Celestron$169.95Fits 8” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare fr...
View full details$169.95In Stock -
ALUMINUM DEW SHIELD WITH COVER CAP - 9.25"
Celestron$199.95The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces r...
View full details$199.95In Stock -
Antlia 2.5nm Narrowband Oxygen III (OIII) Ultra Imaging Filter - 2" Mounted
Antlia$590.00The Antlia OIII 2.5nm Ultra filter is made with quartz glass and undergoes precisely controlled coating processes to ensure optimal performance. T...
View full details$590.00 -
Antlia 3nm Narrowband Oxygen III - 2" Mounted
Antlia$395.00Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narr...
View full details$395.00 -
Antlia 3nm Narrowband Sulfur II - 2" Mounted
Antlia$395.00Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narr...
View full details$395.00 -
Antlia 4.5nm Narrowband H-alpha (Ha) EDGE Filter - 2'' Mounted
Antlia$290.00Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on u...
View full details$290.00 -
Antlia 4.5nm Narrowband H-Alpha EDGE Filter - 50mm Unmounted
Antlia$350.00Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on u...
View full details$350.00In Stock -
Antlia 4.5nm Narrowband OIII EDGE Filter - 50mm Unmounted
Antlia$350.00Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...
View full details$350.00In Stock -
Antlia 4.5nm Narrowband Oxygen III (OIII) EDGE Filter - 2'' Mounted
Antlia$290.00Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...
View full details$290.00 -
Antlia 4.5nm Narrowband Sulfur II (SII) EDGE Filter - 2'' Mounted
Antlia$290.00Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwan...
View full details$290.00 -
Antlia ALP-T Dualband 5nm Filter - 2" Mounted
Antlia$380.00This 2" mounted APT-T dual band 5nm filter is optimized to work with imaging systems slower than f/4. For faster optics from f/2.2 to f/3.6, the h...
View full details$380.00In Stock -
Antlia ALP-T Dualband 5nm Highspeed Filter - 2" Mounted
Antlia$380.00ALP-T Dual Band 5nm Highspeed Filters # ALP-T-2-HS are further optimized to work with high-speed imaging systems by shifting slightly the passba...
View full details$380.00