Visual Astronomy

Read How-To Articles and See Our Suggestions for Seeing the Stars

Astrophotography

Start Here if You Want to Image the Sky from Milky Way to DSO's

Birding and Bird Watching

Birding and bird watching articles, bundles, recommendations.

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All-Star Telescope Canada
Pair of Black Aluminium Dovetail Brackets ... $56.00
Mounting Brackets for the Ultimate Powerbox v2 allows you to place the device onto a Losmandy 3” or a Vixen plate.
Unistellar
Unistellar eQuinox 2 (EQUINOX-2) $3,649.00
Discover the universe with the eQuinox 2 smart telescope. Unistellar’s state-of-the-art technology allows you to observe galaxies, nebulae, and planets in full color from even the most urban areas. Enjoy the click-and-wow telescope that is ready to explore space in just two minutes. In a minute, the eQuinox 2 is unpacked and at work, and a minute later you are observing the Whirlpool galaxy in full color and detail. Thanks to partnerships with renowned scientific organizations, like the SETI Institute, as well as NASA, the eQuinox 2 will also allow you to become a citizen astronomer. Unistellar eQuinox 2 Smart...
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ZWO
ZWO M54 adapter replacing EFW (ZWO-D70-M54F) $39.00
The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras. Instead of using the 20mm ZWO EFW, you can directly connect the adapter to OAG-L with the addition of 5mm sensor tilt adapter to reach 55mm back focus. It has a thickness of 15mm. You can also insert an ZWO 2”filter into it. What's In the Box M54 adapter (15mm) M54M-M48F adapter 5-L8 screws * 8 Connecting Guide Connecting with ASI2600MM Pro as the example. Fix the filter to M54M-M48F adapter via threads. Fix the filter unit to the M54 adapter. Take 4 screws from the package,...
Bob's Knobs
Bob's Knobs: Replacement Collimation Thumb... $31.95
Collimate Your Cassegrain Style or Newtonian Style Telescope... Without Tools! It’s easy! Just grab a Bob's Knob collimation thumbscrew and turn. You can even do it while looking through the eyepiece on most telescopes for immediate feedback. And you'll never drop that pesky little Allen wrench or screwdriver into the grass again. Installation is a snap with the included instructions, and you can undo the modification at any time. Details per Individual Knobs Available Below Knobs for C6 f/10 Secondary with Metric Collimation Screw Threads - Black Oxide Steel (C6BO) Fits: Celestron 6” (15 cm) f/10 SCT versions (C6-A-XLT, C6-GT,...
Celestron
Celestron EclipSmart Solar Filters for Exp... from $31.95
Enhance your viewing experience with Celestron's EclipSmart Solar Filter for Celestron telescopes. With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knocked off and will provide Solar Safe, ISO compliant viewing. Solar Safe Technology EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Solar Safe...
Celestron
Celestron EclipSmart Solar Filters for 5"/... from $64.95
Enhance your viewing experience with Celestron's EclipSmart Solar Filter for Celestron 5"/6"/8” telescopes. With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knocked off and will provide Solar Safe, ISO compliant viewing. Solar Safe Technology EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Compatible...
Kendrick Astro Instruments
Kendrick Astro Visual Solar Filters (w/ So... from $106.00
NEW! Solar Filters with Built-In Sun Finder! The new design has a built in sun finder making centering the sun in your eyepiece very easy. The finder target is visible from both the front and back sides of the filter making centering the sun easy from either end of the telescope. We have replaced the filter rims with three tabs that contain a secure threaded insert and a nylon thumb screw, making the filter much lighter without reducing the security of the fit. The main reason we made this particular change is that many telescopes have dovetails or other attachments...
Starizona
Starizona Modular Filter Slider (54M, 54M)... $199.99
The Modular Filter Slider improves on our original Filter Slider design by allowing customization through interlocking modular top and bottom plates, making it more adaptable to various optical systems, and by adding better protection against light leaks. This model includes a M54 (male) top plate, for the camera-facing side, as well as a M54 (male) bottom plate, for the scope-facing side. HyperStar Note: If you're ordering a Modular Filter Slider for your HyperStar you will also need to purchase a Filter Slider Adapter for your camera of choice to reach the correct backfocus and attach the Modular Filter Slider to your HyperStar....
Baader Planetarium
Baader Planetarium 7.5mm / 15mm / 40mm t-2... from $20.95
T-2 Extension Tubes enable you to securely set or vary the spacing between T-2 components. The tubes are available in three lengths, 7.5mm, 15mm, and 40mm, and are provided with an internal T-2 thread at one end and an external T-2 thread at the opposite end. Full internal threading and blackening kills any stray light reflections. T-2 Extension Tubes are used throughout the ASTRO T-2 System™ to provide proper spacing of system components. The Alan Gee Mark II Telecompressor may be configured in various ways that benefit from the ability to vary the spacing of the lens relative to camera...
Baader Planetarium
Baader Planetarium 2" ClickLock M54a x 1 S... $124.95
Baader 2" ClickLock M54a x 1 clamp – for all focusers from Sky-Watcher and Orion (Newton) with M54x1 female thread. A small rotation by 20° with gentle fingertip pressure to the knurled lever is enough to securely clamp every 2" accessory. Ratchet function – features acoustic and haptic display of the clamp-position. This way you can hear and feel in darkness without looking if the clamp is opened or closed. Compression tension-ring of thick-walled hard bronze, keeps its shape even after many years of use and holds expensive accessories securely - without causing scratches or pressure points on your accessories....

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