- My experience using two 80-millimeter long-focus refractors
- GSO 8-inch TRUE CASSEGRAIN
- Celestron Regal 65ED M2
- Review: The Vixen FL55ss
- PrimaLuceLab Eagle Review
- interstellarum Deep Sky Guide Desk Edition
- Chronicling the Golden Age of Astronomy: A History of Visual Observing from...
- Omegon Mini Track LX2 Review
- Review of the APM 152 ED serial number 245
- THE BURGESS 24MM MODIFIED ERFLE & 10MM ULTRAMONO
- APM 140mm DOUBLET APO REFRACTOR
- Comparison of the Boltwood II and Sky Alert Cloud Sensors
- Chile Dilly!
- MONO & BINO VIEWING WITH THE BAADER MORPHEUS 17.5MM EYEPIECE
- The Eye of the Flak (Das Auge der Flak)
CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.
Dec 17 2009 11:30 AM | David E in Eyepieces
The prodigiously popular Plossl is a perennial pick with astronomers, young and old. Invented in mid-1800 by G. S. Plossl of Austria, it is one of the oldest eyepiece designs still readily available. His design, however, remained obscure for
Sep 15 2005 06:44 AM | Clive Gibbons in Eyepieces
First off, I'll admit to being a lover of old optics. Vintage scopes and accessories hold a special appeal to me. So, when I was clearing out some old space at work the other day and found something that looked tarnished and brassy,