Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Cocoon nebula  ·  IC 5146
Cocoon Nebula Hɑ, Roberto Frassi
Cocoon Nebula Hɑ
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Cocoon Nebula Hɑ

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Description

The picture is a sum of Hɑ and an RGB of the past year.

I used the tecnique: L(Hɑ) - R(Hɑ) - G - B.

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Cocoon Nebula Hɑ, Roberto Frassi