Deep Sky Astrophotography - Robert Arn
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Horsehead Nebula

This image is an [HaR][HaHbG][HbB] composite of nearly 6 hours of data taken during one night. The following parameters where used to create the 3 main color channels.

Red layer of [HaR] with Ha = 60% R = 40%
Blue layer of [HbB] with Hb = 80% B = 20%
Green layer of [HaHbG] with Ha = 40% Hb = 30% G = 30%

Location: Owl Hollow, Pawnee National Grasslands, CO
Date: 2013-01-06
Camera: Canon XSi (modified)
Telescope: WO 110 FLT
Mount: CGEM
Guide Scope: AT66ED
Guider: Orion Solitaire Autoguider
Filters: Astrodon 5nm H-Alpha, Lumicon H-Beta
Shot: Stacked, Multiple Wavelenghts
15x8min ISO 1600 Full Spectrum
7x16min ISO 1600 H-Alpha
7x16min ISO 1600 H-Beta
Processing: Matlab, PTGui, DeepSkyStacker, Photoshop, Topaz, DxO Viewpoint