Our Solar System - Robert Arn
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Lunar Eclipse Triad

Location: Pawnee National Grasslands, CO
Camera: Canon T3i
Lens: Sigma 17-50mm f/2.8
Mount: Astrotrac
Filters: Double Fog Filter
Shot: HDR
1x60 seconds
1x30 seconds
1x15 seconds
1x8 seconds all @ f/4 ISO 1600
Processing: Photomatrix Pro, Photoshop, Topaz