Whirlpool Galaxy in LRGB

telescope: AT8RC guided with Mini Borg 50 and Orion SSAG
Camera: SBIG ST8300 with Starlight-Xpress filter wheel. Astrodon Gen 2 E LRGB filters.
Mount: AP1200GTO
Softwares: CCDAutopilot, Maxim DL pro, Sky 6 pro, CCDstack, Focusmax and PS CS2
Exposure: Luminance: 16 x 600 sec, RGB 12 x 600 secs each channel.
Taken April 21 and 29, 2011 in Jackson Ohio