M 108, NGC 3556
Constellation: Ursa Major
Apparent Magnitude: 10.7
Est. Distance: 14.1 Mly
Telescope: Celestron CPC 800 EQ Mount (with Wedge)
Camera: QHY-8
Guidescope: Orion EON 80mm ED
Guider: DMK 21AU04 with PHD Guiding
Exposure: 24x300 sec (120 mins)
Date: 3nd February 2009
Wikipedia link