M51 Whirlpool Galaxy
Located in the constellation of Canes Venatici, magnitude 9.2
Luminance image taken 11 May 2010 from Newbury Park, California
110 minutes 1x binned, 10 minute sub-exposures
Camera: SBIG ST-10XE, Scope: Celestron C11 at f/8.8, Mount: Losmandy HGM-200