M57 Ring Nebula - Lyra
Meade 10 inch LX200 f/10 SCT
M57 Ring Nebula - Lyra
Kuhn 22 inch f/8 Cassegrain
San Diego City Limits
SBIG ST8XME CCD camera - SBIG filters - AO7 guiding
12x5 minutes Luminance image (cropped) Color information from a 2002 image
Processed using CCDOps - CCDSharp - Photoshop - PictureWindow
Orange County Astronomers Observatory, Anza
SBIG ST8XME camera - Astrodon E-series filters - AO7 guiding
12x5 minutes Luminance bin 1x1 --- 1x5 minutes each RGB bin 2x2
Processed using CCDOps - CCDSharp - Photoshop