- 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)
- COMPARING THE MASUYAMA 25MM 52°, 25MM 65°, AND 26MM 85°
- BRESSER 4 Inch f 4.5 AR 102XS Refractor visual observers’ REVIEW
- New Moon Telescopes 16”f/4
- The Ages of Astrophotography 1839-2015
- Stardust Gallery LED Lightbox and Metallic Print Review
- Rayox Saddle Review
- MoonLite NiteCrawler Focuser
- Celestron Cometron 7x50s Review
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.
Aug 16 2014 03:05 PM | rford322 in Telescope Articles
My first impression is excellent. The WO Star 71 has a wide, well illuminated, flat field of view, exactly what I was looking for.
Dec 21 2013 06:33 AM | RealSorin in Telescope Articles
Buying your first telescope can quickly become a daunting task when faced with so many choices and unfamiliar terms. Hopefully this article simplifies the process a bit for you.
Sep 18 2009 05:10 AM | mwedel in Telescope Articles
When I was 12, a friend brought a telescope catalog to school. It was from Celestron. It was the first time I'd ever heard of a Schmidt-Cassegrain. I borrowed it, kept it for a couple of weeks, read it cover to cover until I had large swaths of it memorized.
Sep 01 2009 06:24 AM | Crayfordjon in Telescope Articles
During research into retrofocally corrected refractor systems, I noted an effect during experiments with an optical bench cum telescope apparatus, that is, when the correcting flint element was removed from the train, the image recovery lenses still formed a back focus image which was smaller but seemed well corrected for colour, in fact it was a better correction than was being had with the flint lens in situ for that particular array