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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 -
Optolong L-Pro Filter - Canon EOS R Clip
Optolong$249.001. L-Pro 1.1 Introduction In suburban areas with weak light pollution, the color balance is good. The design of multi-band pass ensures excellent ...
View full details$249.00In Stock -
Original Filter Slider-to-2" Adapter
Starizona$29.95Use this adapter to put a 2" male nosepiece onto the original (non-modular) Starizona Filter Slider to use on anything that accepts a 2" barrel. ...
View full details$29.95In Stock -
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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Sky-Watcher Classic 200P Dobsonian Telescope
Sky-WatcherOriginal price $655.00Current price $549.00Affordable, large 200mm aperture delivers stunning viewing experience 78% brighter than 150mm model Patented tension control handle allows for p...
View full detailsOriginal price $655.00Current price $549.00In Stock -
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$290.00In Stock -
IDAS GNB Galaxy & Nebula Booster Narrowband Imaging Filter 2" Mounted (M48)
IDAS$258.00A new generation - the world-first - galaxy and nebula booster filter intended for shooting not only nebulae, but also galaxies by the use of the t...
View full details$258.00In Stock -
Antlia V-Series L Filter - 1.25"
Antlia$75.00The Antlia V-Series Luminance filter is available separately for use as a high-quality UV/IR filter.
$75.00In Stock -
Visual Back - 1.25''
Celestron$36.95Standard visual back as included with Celestron SCTs. Adapts 1.25" accessories (such as diagonals, camera adapters, etc.) to the standard SCT threads.
$36.95In Stock -
Counterweight - Extra 2.5-Pound for Starizona Counterweight Kits
Starizona$49.95Additional threaded 2.5-pound bottom counterweight for Starizona counterweight sets (for NexStar GPS and CPC telescopes). Necessary for heavy loads...
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Moon Mission 100mm Tabletop Dobsonian
Starizona$159.95Blast off and explore the universe with this captivating Moon mission-themed telescope! 100mm reflector with high-quality parabolic mirror offers ...
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ZWO DOVE-AIR
ZWO$39.00Dovetail Groove for ASIAIR PLUS The dovetail groove is designed for ASIAIR PLUS to connect Vixen dovetail plate. It can help achieve more convenie...
View full details$39.00In Stock -
ZWO ASI 432MM Mono Camera
ZWO$599.00Please Note: A T2 Tilter is included in the package but due to its large size it will be packed separately in another box, not in the camera box. ...
View full details$599.00In Stock -
Sun Catcher Solar Filter for 11" and 12" Schmidt-Cassegrains
Explore Scientific$39.99100% Safe for Eclipse Viewing Lightweight and generally does not require rebalancing tube assembly. Stronger than any other solar filter film on t...
View full details$39.99In Stock -
Counterweight Set - Celestron 9.25" SCT - Complete Set
Starizona$199.00Accurate balance is necessary for the best telescope performance. Adding heavy accessories such as 2" eyepieces or cameras to a scope requires the ...
View full details$199.00In Stock -
Feathertouch MicroFocuser Adapter - Old Style C8
Starizona$29.95This adapter allows the use of a Feathertouch SCT MicroFocuser on an older Celestron 8" SCT (orange tube and some older black tube models). Include...
View full details$29.95In Stock -
ZWO USB 2.0 Type A Male to Type C Male Cable (Angled) - 0.5m Long
ZWO$13.00ZWO USB2.0 Type-c cable is oblate and soft, and it can be used with Mini cameras and many other matched devices. Specifications: Cable Length...
View full details$13.00In Stock -
Clipper, Cosmos, and Chlidren: Finding the Eureka Moment Book by David Levy
RJI Publishing$19.95The latest book by noted astronomer David Levy (do-discoverer of the Shoemaker-Levy comet which slammed into Jupiter in 1994. This book, geared tow...
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Starizona SCT Corrector I and II - Camera Adapter - Custom
Starizona$50.00The new Starizona SCT Corrector requires the proper camera adapter to achieve the correct lens-to-CCD distance. This ensures the best optical perfo...
View full details$50.00In Stock -
Counterweight Set - Celestron 8" SCT - Complete Kit
Starizona$199.00This version of the Counterweight Set will not work with the CPC-800. For the correct version, click here.Accurate balance is necessary for the bes...
View full details$199.00In Stock -
DSLR Red Dot Finder Bracket - Nikon
Starizona$12.95Use this sturdy, 3D-printed plastic bracket to attach a standard red-dot type finderscope to the flash hot shoe on top of your Nikon DSLR. The find...
View full details$12.95In Stock -
Counterweight Set - Celestron 8" SCT - Top Only
Starizona$80.00This is the top half of the Celestron 8" SCT counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. Incl...
View full details$80.00In Stock -
EdgeHD 9.25" Optical Tube Assembly (CGE Dovetail)
Celestron$2,999.00Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...
View full details$2,999.00In Stock -
Celestron Carrying Case for NexStar 4/5/6/8 OTA
CelestronOriginal price $309.95Current price $279.95Your optical carrying case is designed to safely carry your optical tube from Point A to Point B Compatible with NexStar SE 4", 5" and/ 6", Evolut...
View full detailsOriginal price $309.95Current price $279.95In Stock -
Sharpstar 50EDPH V2 APO Triplet Refractor Telescope
Sharpstar$399.00V2 model with new tube ring and foot design. This compact 50mm f/5.5 APO refractor telescope has triplet air-spaced APO optics, including two piec...
View full details$399.00In Stock -
Sharpstar 0.84x Reducer and Flattener for Sharpstar 50EDPH Apo Triplet
Sharpstar$99.00The 0.84x reducer can bring Sharpstar 50EDPH's focal ratio down to F4.6. This is a standard reducer with field flattening capabilities as well. A...
View full details$99.00In Stock -
Secondary Mirror Spider TS200, CNC machined
Backyard Universe$219.00CNC machined secondary spider made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics GSO Photon This secondary spider is ma...
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X-Cel LX 5mm Eyepiece - 1.25"
Celestron$99.95X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...
View full details$99.95In 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$290.00In Stock -
Sky-Watcher Wave Counterweight Kit
Sky-Watcher$110.00Stainless steel counterweight kit for Wave mount heads Counterweight bar: 0.79-inch (20mm) diameter x 12.4-inch (314mm) length, 1.6-ppound (.72kg...
View full details$110.00In Stock -
NOMAD Grab & Go Star Tracker Kit
Starizona$339.00The NOMAD star tracker from Move Shoot Move is a super handy portable tracking mount for shooting Milky Way photos with a DSLR or mirrorless camera...
View full details$339.00In Stock -
Askar 140APO 1x Full-frame Flattener
Askar$299.00The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 140APO, it still maintained a focal ratio ...
View full details$299.00In Stock -
Askar 140APO 0.8x Full-frame Reducer
Askar$299.00The 0.8x reducer can bring Askar 140APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shor...
View full details$299.00In Stock -
Arizona Recreation Map
Benchmark Maps$7.95The Arizona Recreation Map is a folded map version of the Recreation Guide pages within our Arizona Road & Recreation Atlas. One side provides ...
View full details$7.95In Stock -
Counterweight Set - CPC-1100 - Bottom Only
Starizona$119.00To achieve true dynamic balance with a fork-mounted SCT, both top and bottom weights are required. See stock number CWCPC11-CS for the complete top...
View full details$119.00In Stock -
50.8mm Unmounted Filter Holder to 48mm
Starizona$29.99This adapter enables you to mount your unmounted 50.8mm filters to 48mm threads. This mount will allow you to use unmounted 50.8mm filters with Sta...
View full details$29.99In Stock -
HyperStar Edge HD Adapter - C14
Starizona$109.00Use this adapter if you have a HyperStar lens and need to adapt it to a Celestron Edge HD telescope. This adapter is included with the Edge HD Hype...
View full details$109.00In Stock -
Primary Mirror Mask TS200, CNC machined
Backyard Universe$69.95CNC machined primary mirror mask made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics/GSO Newtons The precisely machine...
View full details$69.95In Stock -
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$290.00In Stock -
Askar 0.75x Reducer for 71F Telescope
Askar$189.00Pre-order for Askar 0.75x Reducer for 71F Telescope. More information coming soon!
$189.00In Stock -
HyperStar 14 Adapter for ZWO Cooled Cameras and ZWO M54 Filter Drawer
Starizona$69.95HyperStar 14 Adapter for ZWO Cooled Cameras and ZWO M54 Filter Drawer
$69.95In Stock -
The Astrophotographer’s Log Book: 25 Sessions
Blue Planet Photography$29.95The Astrophotographer’s Log Book arose from the need to record and organize the data from astrophotography sessions in an efficient and consistent ...
View full details$29.95In Stock -
ZWO M48-M42 Adapter
ZWO$12.00The M48-M42 adapter is used in order to fit your imaging train together with different types of equipment and sizes.
$12.00In Stock -
C9 1/4-A-XLT (CGE) Optical Tube Assembly
Celestron$1,899.959.25" f/10 Schmidt-Cassegrain optical tube. Includes aluminum tube, enhanced XLT coatings, CGE (Losmandy-style) dovetail bar, 25mm Plossl eyepiece,...
View full details$1,899.95In Stock -
Galaxies: Birth and Destiny of Our Universe Book
Book$49.95A 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...
View full details$49.95In Stock -
Celestron Star Diagonal - 1.25''
Celestron$51.95Celestron's Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable ...
View full details$51.95In Stock -
Counterweight Set - Celestron 11" SCT - Complete Kit
Starizona$199.00This version of the Counterweight Set will not work with the CPC-1100. For the correct version, click here. Accurate balance is necessary for the b...
View full details$199.00In Stock