Deep Sky Astrophotography - Robert Arn
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Barnard's Loop in H-Alpha

Location: Owl Hollow, Pawnee Grasslands, CO
Date: 2013-11-18
Camera: Canon XSi (modified)
Lens: Canon 50mm f/1.4
Mount: Astrotrac
Filters: 12nm H-Alpha
Shot: Stacked
12x10 minutes f/3.2 ISO 1600
Darks and flats applied
Processing: DeepSkyStacker, Photoshop, Topaz