Sunflower Galaxy in Canes Venatici

Info: http://en.wikipedia.org/wiki/Messier_63

Taken with a Takahashi TOA130NFB @ f/12 using a 1.6x TOA extender/67 flattener and QSI583wsg with Astrodon E series Gen 2 filters.
Image scale of 0.7 arcsec/pixel.
Guided with a Mini Borg 50mm and SBIG STi.
AP1200 GTO Mount
Exposure time: Luminance: 180 mins, RGB: 160:160:160 mins with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on April 18 and 19, 2012 in Jackson, Ohio