Products

Author: H. A. ReyPaperback: 72 pagesClassic first guide to the stars from the creator of Curious George. Popular with both kids and adults wanting ...

Finder Charts are printed on white vellum card stock to make them durable. The black printing and stars on a white background makes them easily rea...

Finder Charts are printed on white vellum card stock to make them durable. The black printing and stars on a white background makes them easily rea...

Made from anodized aluminum. This finder base includes two thumbscrews to attach your favorite finder scope. The bottom slot is 34mm wide by 39mm l...

  Celestron’s beloved entry-level telescope gets a stunning look! The Signature Series FirstScope features a superb Moon image by astroimager and ...

The low profile flat-top 2"-1.25" adapter allows closer placement of the eyepiece. Use with Newtonian reflectors, Tele Vue Paracorr, 2" Powermate a...

Developed for the Stellarvue FSV-3B series focusers, this is the 3rd generation of Optec's DirectSync motor. The SVX30 ThirdLynx control circuit fe...

A sweeping tour of the galaxies, from our Milky Way to infinity. Galaxies are glittering islands in the Universe, interwoven in the web of Dark Ma...

From azurite to wulfenite, Arizona is known the world over for its rich abundance of rocks and minerals. Now in its third edition, this best-sellin...

This green laser collimator is designed for collimating Cassegrain type telescopes. It projects a pattern of concentric green circles. We recommend...

Good Night Aerospace Museum highlights the lunar module, lunar rover, astronauts, Wright Flyer, WWII planes, jumbo jets, fighter jets, gliders, hel...

Good Night Astronauts features space camp, spacesuits, an international space station, rocket ships, space food, gravity, the solar system, stars, ...

Ready to blast off? We’re taking a tour of the Milky Way Galaxy!Get your little astronaut ready for an amazing trip through the stars. Watch as yo...

Good Night Solar System explores the Milky Way Galaxy, the Sun, the Moon, all of the planets, including Mercury, Venus, Earth, Mars, Jupiter, Satu...

This Keypad should only be purchased for use with the GTOCP1, GTOCP2 and GTOCP3 control boxes. This Keypad model will be supplied with the original...

All GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 Upgrade and Installation Guide (PDF document) provide...

Arizona s top-selling 4x4 guidebook. 100 of the best 4x4 trails in Arizona. Completely redone 3rd edition is more fun than ever. Whether you are a ...

Hands-on space science projects help launch kids ages 8 to 11 into learning about fearless female astronauts who broke barriers across space and g...

Half pier compatible with Gitzo Systemetic 3 Series, 4 Series and Xiletu L404C tripods. Mounts and half pier are tightened with two M8 knob bolts, ...

Author: Robert Michael PylePaperback: 280 pagesThis essential handbook covers where to find butterflies; how to observe and photograph them; their ...

3D printed top handle for the HAC125 DX.  The handle can accept common Synta style brackets for accessories such as guide scopes and the ASIAIR.  I...

Celestron'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 ...

Sky-Watcher’s Heliostar H-alpha Solar Telescopes offer a dedicated solar viewing experience to the lineup. Hydrogen-alpha solar observing allows yo...

Heliostar OTA Double stack performance, single stack price 76mm aperture, 630mm focal length, f/8.3 Official solar telescope of the Charlie Bates ...

Double stack performance, single stack price 76mm aperture 630mm focal length f/8.3 Official solar telescope of the Charlie Bates Solar Astronomy ...

Meticulous Mid-Range Machinery. Powerful. Compact. Precise. Dual-axis belt drives deliver whisper-quiet, extremely accurate movement for both axes ...

Large 130mm aperture delivers crisp, contrast-rich views of the Moon, planets, and so much more Fast f/5 focal ratio, 650mm focal length Borosili...

Authors: Bruce GrubbsPaperback: 368 pages, 3rd Ed.Lace up your boots and sample 120 of the finest trails in Arizona. Hike the Boucher-Hermit Trails...

Author: Erik MolvarPaperback: 311 pagesSouthern Arizona offers unlimited opportunities for backcountry exploration. This second edition of Hiking A...

Additonal 1.25" Reflector Mirror for Advanced CT Laser Collimator Features: Precision retro reflector mirror for Advanced CT Laser Collimtor - Dou...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

New! 14" HyperStar Laser Collimator Package includes:1 x Advanced CT Laser Collimator1 x 14" HyperStar reflector mirror adapter1 x High accuracy du...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

FeaturePackage includes:1 x Advanced CT Laser Collimator1 x HyperStar reflector mirror adapter for 9.25" and 11" model1 x High accuracy dual-sided ...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Collimates 8" Schmidt-Cassegrain Telescopes with HyperStar Lens installed. Package Includes: Advanced CT Laser Collimator 8" HyperStar Reflector M...

High Quality Optics Designed for Refractor Telescopes This field flattener is fully multi-coated on two-element lens allowing the most efficient li...

Announcing the Self-Centering Camera T-Adapter for Astrophotographers.The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable c...

2" SCA T-Adapter center and square loads perfectly in your visual back and provides a secure adaption for the best imaging result Announcing the S...

This is a website test product. If you buy this product, your credit card will be billed for the full price of $1,499,999,999.95, plus applicable t...

World’s first micro spotting scope—fits easily in your vest/coat pocket, cargo pants, or shoulder bag 9-27x magnification range Comfortable 45° vi...

A stable-yet-lightweight, versatile, and easy-to-use tripod perfect for just about any application Smoothly pan the horizon or tilt the viewing an...

Shown with optional Astro-Physics 1200GTO equatorial mount, Apogee Alta U16M, Astrodon MonsterMOAG, and SBIG ST-402ME Starizona has developed an as...

Starizona has developed an astrographic telescope that will deliver the largest, highest quality field of view on the market. With a 70mm diffracti...

Second-generation design optimized for new-style Hyperion 12.5" and 16" models. Available now. The optical design of the Hyperion focal reducer has...