Deep Sky Astrophotography - Robert Arn
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The Great Orion Nebula

Location: Pawnee National Grasslands, CO
Date: 2013-02-02
Camera: Canon XSi (modified)
Telescope: WO 110 FLT
Accessories: WO Field Flattner
Guide Scope: AT66ED
Guide Camera: Orion Solitaire Autoguider
Mount: CGEM
Filters: 12nm H-alpha CCD EOS-clip
Shot: (HaR)GB HDR
10x10 minutes ISO 1600 (H-Alpha)
27x5 minutes ISO 1600 (Full Spectum)
9x35 seconds ISO 1600
11x11 seconds ISO 1600
Processing: Matlab, Photomatrix Pro, Photoshop, Topaz, DeepSkyStacker