This is an image of M101, also known as the Pinwheel Galaxy. It is a face-on spiral galaxy about 21 million light years away in the constellation Ursa Major.
Telescope: Planewave CDK-17
Camera: Apogee CG16M
Mount: Paramount ME
Luminance: 25x20 minutes (binned 1x1)
Red: 12x15 minutes (binned 2x2)
Green: 12x15 minutes (binned 2x2)
Blue: 12x15 minutes (binned 2x2)