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Celestron Counterweight - 12 lbs for Advanced VX
Celestron$61.95If you are loading extra equipment on your Celestron Advanced VX Equatorial Mount, you may need additional counterweights. This anodized counterwei...
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HyperStar Conversion Kit - C9.25 - Gasket
Starizona$15.00Sorbothane gasket used in HyperStar conversion kit for Celestron 9.25" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly ...
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ZWO ASI 6200MC-Pro Full-Frame Cooled Color Camera
ZWO$3,999.00ASI6200MC Pro All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to image. You can also use ASIAIR to power the ...
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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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Sun Catcher Solar Eclipse Glasses (4-Pack Assortment)
Explore Scientific$9.99Sun Catcher Solar Eclipse Glasses (4-Pack Assortment) Watch the Total Eclipse Event on April 8th, 2024 in safety, comfort, and style. Made with an...
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ZWO CAA Camera Angle Adjuster
ZWO$349.00Rotate your camera with ease and compose your shots with one click -ZWO CAA- ZWO CAA (Camera Angle Adjuster) is ZWO’s new camera rotator, designed ...
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Evoguide 50DX APO Refractor
Sky-Watcher$375.0050 mm apochromatic refractor with matched lens assembly with one ED element 242 mm focal length (f/4.8) 1.25” Helical focuser Finder stalk Vixen-s...
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HyperStar Adapter Top Replacement
Starizona$40.00The only purpose of this adapter is to replace the top of an already existing HyperStar adapter to change its thread type. An example of this is i...
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Celestron X-Cel LX 2x Barlow Lens -1.25"
Celestron$124.95Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25” eyepiece 3-element apochromatic, fully multi-coated optics offer up bright, shar...
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Autofocus Kit for Sky-Watcher HAC125 DX and ZWO EAF
Starizona$49.00Add an EAF to your Sky-Watcher HAC125 DX! This kit includes a pulley that fits on the focus knob on the back of the HAC125 and a belt to drive it ...
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Celestron CG-5 Universal Mounting Plate
Celestron$56.95Attach a variety of accessories to your Advanced CG-5 or Advanced VX mount with this Universal Mounting Plate. Several different mounting holes to ...
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Celestron 7 X 50 Cometron Binoculars
Celestron$47.95Get ready for the next awe-inspiring comet with a pair of sleek, portable Celestron Cometron 7x50mm binoculars. The large 50mm objective lenses an...
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Cool Edge - SCT Cooler - 11"
Starizona$189.00The Starizona Cool Edge was named one of Sky & Telescope's Hot Products for 2012! This innovative product from Starizona is designed to hel...
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Primary Mirror Mask for Sky-Watcher 200, CNC machined
Backyard Universe$76.00CNC machined primary mirror mask made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 200PDS/Quattro The precisely machine...
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Askar M54 Off-Axis Guider
Askar$197.00Askar M54 off-axis guider supports imaging with up to full-frame astronomy cameras Includes M42, M48, and M54 adapters and extension rings to a...
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Camera Plate - T-Adapter w/Filter Holder - EdgeHD 9.25, 11, 14
Starizona$34.95This is the top camera adapter plate for our T-Adapter with Filter Holder for large EdgeHD scopes. The T-adapter normally comes with M42 threads, ...
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The Backyard Astronomers's Guide
Firefly Books$49.95What type of telescope is best for beginners? Can I use my camera to take photographs through a telescope? How good are the new computerized tele...
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T-Adapter for Schmidt-Cassegrain Telescopes
Starizona$29.95T-Adapter attaches an SLR or DSLR camera to a Schmidt-Cassegrain telescope for prime focus photography Threads on to the rear cell of Schmidt-Cass...
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SeeStar TH10 Fluid Tripod Head
ZWO$79.00Seestar TH10 hydraulic tripod head is specially designed for use with Seestar smart telescopes in equatorial mode. It also compatible with most ...
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Extra Counterweight - Stainless Steel - 2 lbs.
Starizona$44.95This stainless steel counterweight can be used as an addition to the top portion of the Starizona's Counterweight Kit or as additional weight for b...
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Celestron Off-Axis Guider
Celestron$349.95Most accurate way to guide – improved accuracy compared to using a separate guide scope. 12.5mm multi-coated prism with aluminized backing for max...
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Primary Mirror Mask for Sky-Watcher 150, CNC machined
Backyard Universe$65.00CNC machined primary mirror mask made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 150PDS/P/Quattro The precisely machi...
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8-Inch Dovetail Bar (CGE)
Celestron$47.95Dovetail for mounting a Celestron 8" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera. Plea...
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Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha / O-III / S-II)
Baader Planetariumfrom $176.00Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Refle...
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2" Mounted Filter Holder for Sky-Watcher HAC125 DX
Starizona$79.95Available Now! Use 2" filters with your HAC125 DX! There are two parts to this filter holder. There is a flange that threads onto the HAC125 in pl...
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HyperStar EdgeHD Adapter Ring - C8
Starizona$90.00This adapter ring will convert a standard HyperStar C8 into an HD version to work on an EdgeHD telescope. It simply threads into the existing bott...
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M42 Female to Filter Slider Adapter - 20mm Long
Starizona$24.9520mm adapter that connects Starizona's Filter Slider to an M42 thread. The adapter has female M42 threads on the telescope side and male Filter Sli...
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Red LED Flashlight
Starizona$8.99Preserve your night vision while stargazing with this straightforward red LED flashlight. The single-button design makes it effortless to toggle on...
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HyperStar EdgeHD Adapter Ring - C11
Starizona$90.00This adapter ring will convert a standard HyperStar C11 into an HD version to work on an EdgeHD telescope. It simply threads into the existing bot...
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Telrad Base
Telrad, Inc.$8.00Telrad base only, perfect for mounting one Telrad finder on multiple telescopes.
$8.00In Stock -
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Eclipsmart Solar Filter For 6” Schmidt-Cassegrain Telescopes
Celestron$59.95SOLAR SAFE TELESCOPE FILTER: Filter conforms to the ISO 12312-2:2015(E) international safety standard for filters directly viewing the Sun. The ...
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M48-to-M54 Step Ring with Lip
Starizona$19.95This adapter is similar to the M54 to M48 step ring that comes with the ZWO 2" filter wheel, but it adds a thin lip to allow the ring to stop again...
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2026 Deep Space Mysteries Calendar
Astronomy Magazine$16.99Astronomy’s Deep Space Mysteries calendar is back for 2026! The world's best-selling astronomy magazine brings you a calendar filled with stunning ...
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ZWO Filter Drawer for Canon EOS Lens
ZWO$99.00The New filter Drawer for EOS Lens,26.5mm thickness is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS...
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Starizona Filter Slider - 2" to 31mm Unmounted Filter Adapter
Starizona$24.95This filter step ring is made specifically with the Starizona Filter Slider system in mind. It steps the M48 threads of a standard 2" filter down t...
View full details$24.95In Stock