William Optics FLAT73R 0.8x Adjustable Reducer-Flattener is for use with the William Optics Zenithstar 73 OTA. The William Optics Reducer-Flattener is a great accessory that improves image quality by being able to adjust spacing without the need for extension tubes. It will deliver an image circle of >44 with a […]
Author: Stuart Parkerson
ASKAR FRA Telescopes 4-lens Petzval Design
Sharpstar Optics is a Chinese astronomy products manufacturer who has recently released a new line of telescopes. The new ASKAR FRA telescopes are what the company calls a “Flatfield Refractive Astrograph” which offers a Petzval design. Petzval telescopes are a 4-lens optical system that are exceptionally well corrected and offer […]
New Sky-Watcher USA EQ8-R Pro Equatorial Mount Now Available
The new Sky-Watcher EQ8-R Pro equatorial mount offers professional level performance at a significantly lower price than other mounts offering the same weight capacity and build quality. The equatorial mount is built for serious imaging and precision visual work offering a full 110 pounds of payload capacity and is available […]
Baader Planetarium’s New MaxBright II Binoviewer
Baader Planetarium’s new MaxBright II Binoviewer incorporates Baader’s vast experience acquired during thirty years of building astronomical binoviewers. The company builds its binoviewers to be utilized with a compliment of accessories to offer complete system solutions. The new MaxBright II was conceived as a more compact and lighter option to Baader’s flagship […]
Sky-Watcher USA New Telescopes and More for 2020
Sky-Watcher USA has a number of new products launching for 2020 including new mounts, accessories and several brand-new telescopes. The Sky-Watcher USA New Telescopes and more were given a sneak peak into its new lineup during a recent a presentation of its “What’s Up?” Webcast, which is a new weekly […]
Avalon Instruments Introduces the M-zero LHQ Telescope Mount for Low Latitude Areas
Avalon Instruments has released a new version of its M-zero LHQ Telescope Mount specifically designed for use in low latitude areas down to 0 degrees. The new M-zero LHQ mount follows the tradition of previous M-zero versions and offers the perfect lightweight and portable instrument for travelling astronomy. The M-zero […]
Montana Learning Center joins Skynet Allowing Students and Teachers Online Access to Global Telescope Network from Home
A new partnership between the Montana Learning Center, located at Canyon Ferry Lake, just outside of Helena, Montana, and the University of North Carolina at Chapel Hill, will bring into focus faint stars and galaxies, and distant smudges of color from clouds of gas and dust found deep in space. […]
Woodland Hills Camera and Telescopes to Host Live Online Telescope Lecture Series April 3 – 5 2020
On April 3rd, 4th and 5th Woodland Hills Camera and Telescopes will offer a free online lecture series featuring Tim Russ, Christopher Go, Adam Block and Richard Wright. The event will be live on the Woodland Hills’ YouTube channel starting at 12:30pm on Friday, April 3. This is your chance to […]
nPAE 6061 Telescope Eyepiece Turret
The nPAE 6061 Telescope Eyepiece Turret is nPAE’s mid-range eyepiece turret. Set up your eyepieces, cameras, spectrometers, etc. when you first start your nights’ viewings then all you need to do is spin the turret and you can quickly switch between them. The company has announced it has upgraded its […]
Live High Dynamic Range Viewing for Video Astronomy
Live High Dynamic Range (LHDR) techniques for video astronomy were discussed in the Issue 3, 2019 edition of Astronomy Technology Today. In it, techniques were presented that enabled video astronomers to access faint detail without overexposing bright areas … even before any postprocessing took place. In other words, these were […]
The GSO 8-Inch Ritchey–Chrétien Telescope
I recently reviewed a Guan Sheng Optical (GSO) 8-inch classical Cassegrain telescope for Astronomy Technology Today. In this article, I review the GSO 8-inch GSO Ritchey–Chrétien. The classical Cassegrain would be the better choice for visual use, while the Ritchey–Chrétien is the better instrument for astronomical imaging. American astronomer George […]
NASA Jet Propulsion Laboratory Proposes Using Small Telescopes for Transit Survey
A new opportunity for amateur astronomers to conduct citizen science is being proposed by a group of scientists lead by Robert Zellem, a scientist at the NASA Jet Propulsion Laboratory who has been working on ground- and space-based observations of the atmospheres of exoplanets, planets outside of our Solar System. […]