M63 (catalog designtion NGC 5055) is often referred to as The Sunflower Galaxy.  It is a spiral galaxy located in the constellation Canes Venatici in which it consists of a spiral disc, surrounded by many short segmented arms.  It was discovered by Pierre Mechain on June 14th 1779.  The Sunflower Galaxy is part of the M51 group of galaxies that also includes The Whirlpool Galaxy.

http://en.wikipedia.org/wiki/Sunflower_Galaxy

ABOUT THE IMAGE

DATE/TIME:  The evening of April 15, 2013.

CAMERA:  Canon XSI, 450D modified

TELESCOPE:  Celestron C9.25" SCT @ F/6.3

MOUNT:  Celestron CGE Pro.

ISO SETTING:  800

EXPOSURES:  37

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  3hrs 5min.

SUBTRACTIONS: 16 dark frames and 10 bias frames.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3