Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Cocoon nebula  ·  IC 5146
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IC 5146, Cocoon Nebula, HαRRGB, 1 Jul 2014 + 27 & 31 Jul 2015, David Dearden
IC 5146, Cocoon Nebula, HαRRGB, 1 Jul 2014 + 27 & 31 Jul 2015
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IC 5146, Cocoon Nebula, HαRRGB, 1 Jul 2014 + 27 & 31 Jul 2015

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Description

HαRRGB combining 1 Jul 2014 RGB with 28, 31 Jul 2015 Hα. Removed the stars in both images and sharpened just the background. Layered the stars-only RGB back on top, which fixed the color in most of the stars except within the nebula. Layered the original RGB on top of that, added a hide all layer mask, and cut the mask just over the stars in the nebula to get back their original colors. This approach produces the most satisfying star colors I have gotten so far in HαRRGB.

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IC 5146, Cocoon Nebula, HαRRGB, 1 Jul 2014 + 27 & 31 Jul 2015, David Dearden