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Imaging telescopes or lenses: Explore Scientific ED102 APO
Imaging cameras: Canon EOS Rebel T3i
Mounts: Celestron CGEM Hypertuned
Guiding telescopes or lenses: Orion ShortTube 80
Guiding cameras: Orion StarShoot Autoguider
Focal reducers: Astro-Tech AT2FF
Software: Sequence Generator Pro · DeepSkyStacker · Photoshop CS6
Filters: Astronomik 6nm Ha Clip-In Filter · One-Shot Color
Accessory: Robofocus
Dates:Oct. 6, 2015 , Oct. 9, 2015 , Nov. 6, 2015
Frames:
Astronomik 6nm Ha Clip-In Filter: 62x600" ISO1600
One-Shot Color: 25x300" ISO1600
Integration: 12.4 hours
Darks: ~15
Flats: ~40
Flat darks: ~40
Bias: ~40
Avg. Moon age: 24.97 days
Avg. Moon phase: 22.56%
Bortle Dark-Sky Scale: 5.67
Astrometry.net job: 837862
Resolution: 620x412
Locations: My Backyard, Clovis, California, United States; Big Stump, Kings Canyon National Park, CA, United States
The Cocoon Nebula, catalogued as IC 5146, Sharpless 2-125, and Caldwell 19, is a beautiful emission and reflection nebula in the constellation Cygnus. It lies at a distance of approximately 3,300 light years from Earth. In addition to the beautiful emission nebula itself, this field of view also captures Barnard 168, a dark nebula seen forming a beautiful trail to the right of the Cocoon.
RGB data was captured from Big Stump in Kings Canyon National Park; Hydrogen-Alpha data was captured from my backyard in Clovis, California.
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