Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)
Abell 21 in SHO+RGB, Erik Pirtala
Abell 21 in SHO+RGB
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Abell 21 in SHO+RGB

Abell 21 in SHO+RGB, Erik Pirtala
Abell 21 in SHO+RGB
Powered byPixInsight

Abell 21 in SHO+RGB

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Description

Me and Tudor Chibacu did a collaboration on this one. He shot 10 hours of Ha and 2 hours of RGB. I shot 5 hours of both O-III and S-II. This version is processed by me

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Abell 21 in SHO+RGB, Erik Pirtala