Explore Scientific ES 80 ED Triplet APO Review Explore Scientific is known for refracting telescopes, quality eyepieces, the David H. Levy Comet Hunter , a Maksutov-Newtonian telescope and Twilight I and II alt-azimuth mounts. I own a Twilight II mount and enjoy using it with various small refractors and […]
Sharing the Cost of Remote Observatory Rental Remote imaging promises virtually hundreds of clear nights a year under dark skies and excellent seeing – conditions that allow very deep images. Most of us look into imaging at a remote site, take one look at the costs, and assume it cannot […]
By Dave Snay David Snay is a retired software engineer living in central Massachusetts. He graduated from Worcester Polytechnic Institute and has been an astronomer and astrophotographer for more than 15 years. David currently pursues fine art photography, specializing in traditional black/white images. He also is involved in solar outreach. […]
Joshua Bury’s latest version of his iOS astronomy observation planning app, Observer Pro 2.1, is available in the Apple App Store. New updates to the app include: – The Featured list is now much more useful: your location, local horizon, and the current lunar phase are now used to provide […]
By Gary Parkerson, Managing Editor Astronomy Technology Today If you live on the mainland U.S., and you are at all like me, you’re already counting the seconds until the August 21, 2017, total eclipse of the Sun … as in, there is literally a countdown timer in the corner of […]
Unihedron SQM-LU-DL: The names Unihedron and have become synonymous with measurement of sky brightness. Indeed, it’s hard to imagine a Sky Quality Meter tool that has had greater impact on quantification of local light pollution. Unihedron’s original SQM set the standard and has since evolved into a comprehensive range of […]
By Shef Robotham Shef Robotham lives in New England and is a retired electrical engineer who has numerous patents relating to lasers. He has been actively involved in astronomy for over 30 years covering optical, radio and astro-imaging. Other interests include music, HO trains, and amateur radio and a supporting wife […]
Baader Planetarium’s famed Hyperion 8-24 mm Zoom eyepiece is now in its fourth generation. The Mark IV features an improved click-stop action – a must for binoviewing – with indents at five magnifications: 8, 12, 16, 20 and 24 mm. As before, this latest design provides long eye relief across […]
In announcing its new Good Neighbor Lighting line, Lowe’s recognized that “Star-filled night skies are now fading and being washed out by the glow of city lights. Artificial light shining up into the sky creates light pollution and dulls the view for stargazers. Excessive and poorly directed lights are also […]
Richard Day of Skylight Telescopes is offering a one-off 85-mm f/9 refractor in Candy Apple red with a polished brass dew shield. The vintage-style scope weighs 3.5 kilograms (7.7 pounds). The telescope is supplied with a high-quality Crayford-style focuser and an integrated Vixen-style dovetail rail, but the dovetail can be […]