M 33

M33 spiral galaxy in Triangulum and 2.2 million light years away.

Backyard image with 10" LX200 @ f6.3 and SBIG ST8E, CFW8, AO-7

Camera water cooled to -30c on 10-22-01

Exposure 40 minutes luminance, 20 red, 20 green, 40 blue