Spiral galaxy in the constellation Canes Venatici

Info: http://en.wikipedia.org/wiki/Messier_106

Taken with a Takahashi TOA130 NFB with 67 Flattener and QSI583wsg with Astrodon E series Gen 2 filters.
Image scale of 1.1 arcsec/pixel.
Guided with a Mini Borg 50mm and SBIG STi.
AP1200 GTO Mount
Exposure time: Luminance: 170 mins, RGB: 130:130:130 mins with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on February 27 and 28, 2012 in Jackson, Ohio