Michael Purcell's image of the Ring Nebula M57, taken on September 1, 1999 at 23:10 with his Meade 10-inch f/6.3 SC Telescope and a ST7 CCD camera, exposed 5 minutes.
Ring Nebula M57, photographed by Dr. Andjelko Glivar, Donja Stubica, Croatia, with Celestron 8 (203/2000 mm), on Fujicolor super G plus 200 ASA, exposed 10 minutes.
Another image of M57 by Dr. Andjelko Glivar, obtained through his C8, exposed 12 minutes on Kodak Gold 400.
This beautiful image of the Ring Nebula M57 has been obtained by Alan Chen. He used a selfguided 12-inch f/10 Meade LX20 SC telescope with MX7C CCD camera; this is a composite of two 10-minute and four 4-minute exposures.
Richard Crisp took this image of the Ring Nebula M57 from his backyard in San Jose, CA. He used a Celestron CM1400 scope with an SBIG ST7E camera (NABG imager). The scope was operated at its normal f/11 setting and the mount was an Astro Physics AP1200GTO mount. The image is an LRGB image of 15/15/15/20 minute duration.
Last Modification: 4 Feb 2000, 22:40 MET