The Orion Nebula and The Running Man Nebula in Hydrogen Alpha Color
Mono version: http://www.pbase.com/mariobmd/image/140497099
Info: http://en.wikipedia.org/wiki/Orion_Nebula

This color version is RGB with 35% Halpha used as luminance.

Taken with a Takahashi TOA130 NFB with AP27TVPH reducer and QSI 583wsg with Astrodon 5nm Halpha filter and Series 2 E Filters.
Image scale of 1.4 arcsec/pixel.
Guided with a SBIG STi on a MiniBorg 50.
AP1200 GTO Mount
Exposure time:Halpha: 200 mins with 10 minutes subexposure. Core: 7 mins with 30 secs subexposure.
RGB: 60:60:60 mins with 400secs subs, Core: 100 secs RGB with 10 secs subs.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on December 11,19 and 24 2011 in Jackson, Ohio