Pacman Nebula

Info: http://en.wikipedia.org/wiki/NGC_281
Monochrome version: http://www.pbase.com/mariobmd/image/139179539

Taken with a Takahashi TOA130 NFB with 67 Flattener and QSI 583wsg with Astrodon 5nm Halpha filter and 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:Halpha: 360 mins with 30 mins subexposure. Color: RGB 130 mins each channel with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on October 7 and 25, 2011 in Jackson, Ohio