The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting spiral galaxy located at a distance of approximately 31 million light-years from the Milky Way Galaxy in the constellation Canes Venatici. (from Wikipedia)
Camera: Canon 30D
Optics: Celestron Omni 150 f/5 (MPCC)
Mount: CG-4 with Celestron motor drive
Guider: QHY5 & EF 50mm +PHDGuiding
Exposures: 53x120s, ISO800
Processing: DSS & PS
