Full field of view with reflection from Alnitak on the left.

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

Taken with a Takahashi TOA130 NFB with 67 Flattener and QSI583wsg with Astrodon 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: H alpha: 210 mins with 30 mins subexposure, RGB: 80:80:80mins with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on November 19 and 24, 2011 in Jackson, Ohio