The SharpStar 15028HNT Newtonian astrograph is a compact 150mm f/2.8 reflector that uses an innovative hyperbolic optical design and multiple precision elements to provide a 44mm image circle that fills 36mm x 44mm full-frame sensors with a 6 degree field of view. The super-fast f/2.8 focal ratio is available through […]
The Sharpstar 20032PNT is an ultra-short focal ratio paraboloid Newtonian reflector with an ultra-fast focal ratio of f/3.2 and a focal length of 420mm. The telescope reaches f/3.2 by using a 200mm f/3.8 paraboloid, a 90mm plane secondary mirror of short axis, and a 3-inch quartette 0.85 times error correction […]
My First Telescope: Fun and Practical Manual for Kids is a useful kids telescope manual for children aged between 8 and 14. A simple guide for first-time telescope users, this book takes the reader through the steps from setting it up, to finding those first astronomical wonders in the sky. […]
In his Celestron Luminos Eyepiece review Dr. James R. Dire shows that the Lumnios eyepiece is by far the best Celestron eyepiece he has ever used. As he says, “Anyone looking for a set of parafocal wide FOV eyepieces that don’t break the bank should consider Celestron Luminos eyepieces. They […]
Editors Note: In his Coat Pocket Astronomy article Rob Pettengil takes miniature astroimaging to the test with gear that literally fits in his pocket. Images 3 – 9 can be found at the end of the article. My affection for the miniature drove my interest in ultra-light astrophotography. I like […]
The new Celestron Ultima Edge eyepiece line is the latest Ultima eyepiece design developed to make sure you see the whole picture. These flat-field eyepieces were created to provide an ultra-sharp, ultra-clear, crisp image from the center all the way to the edge of the field of view. The Ultima […]
Editor’s Note: In his Astronomik visual filter review Matt Harmston does a deep dive into using Astronomik Filters for visual observing under light polluted skies. This article originally appeared in Astronomy Technology Today Issue 9, 2020. This article has been updated with new testing notes and can be found here. […]
The Sky-Watcher What’s Up? Webcast is a live webcast held every Friday from 10am to 11am Pacific on the Sky-Watcher USA YouTube channel. Each week they discuss new astronomical topic including gear, visual and imaging techniques, interviews and more. This week on the What’s Up? Webcast Sky-Watcher will start a new […]
The Sky-Watcher Star Adventurer 2i is the next evolution of the Star Adventurer tracking mount. Made with astronomy, astrophotography and time-lapse photography needs in mind, the mount is a high precision, portable and stable celestial tracking platform for sidereal, solar and lunar tracking with automatic DSLR shutter release control. Highlights […]
The Orion StarShoot G26 is the largest CMOS camera the company has offered to date. Built around the Sony IMX571 CMOS chip, the Orion StarShoot G26 APS-C Color Imaging Camera offers a 28.3mm diagonal (APS-C format) sensor, with 3.76 micron pixels, 80% QE, and a full resolution topping out at […]
With the holidays fast approaching we are always on the lookout for fun and different gift options to share with our readers. Typically these are astronomy related but sometimes we find other cool stuff from astronomy companies. And the Explore One V8 Model Engine and the Bresser See-It Scope HD […]
The MetaGuide Collimation Service is a video-based tool to help users achieve precise collimation using the in-focus diffraction pattern of a star. MetaGuide also autoguides and has several novel features that allow optimal guiding of mid-range mounts under typical seeing conditions. MetaGuide can provide insight into both the optics of […]