M57 Ring Nebula

Image: M57/Ring Nebula by Patric Knoll - 2005

M57 Ring Nebula - Lyra
San Diego City Limits

Meade 10 inch LX200 f/10 SCT
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

Image: M57/Ring Nebula by Patric Knoll - 2008

M57 Ring Nebula - Lyra
Orange County Astronomers Observatory, Anza

Kuhn 22 inch f/8 Cassegrain
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


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