M109 - Barred spiral galaxy. 4 hours total LRGB exposure through 12" LX200R scope. Image train included Optec TCF-S focuser, Optec Pyxis rotator, SBIG AO-L adaptive optics system, and SBIG STL-11000M C1 camera with Custom Scientific filters. Mount includes Paramount ME on Bisque pier in a 2.3m Sirius dome. Taken in March 2011 at Sierra Skies Observatory in northern California.