The Jellyfish Nebula in Gemini.
Info: http://en.wikipedia.org/wiki/IC_443
Taken with a Takahashi TOA130 NFB with 67 Flattener and QSI 583wsg with Astrodon 5nm Halpha filter and Gen2 E series RGB filters.
Image scale of 1.1 arcsec/pixel.
Guided with a SBIG STi on a MiniBorg 50.
AP1200 GTO Mount
Exposure time:Halpha: 4 hours with 30 minutes subexposure. RGB: 110:110:110mins with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on November 24,25 and 30 2011 in Jackson, Ohio