Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star νAnd
Andromeda's Galaxy (M31) in RGB+Ha+OIII, Roberto Frassi
Andromeda's Galaxy (M31) in RGB+Ha+OIII
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Andromeda's Galaxy (M31) in RGB+Ha+OIII

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Description

I had tried this experiment: merging a previous image only Ha-OIII with a picture in RGB and using on R channel the Ha shot.

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Andromeda's Galaxy (M31) in RGB+Ha+OIII, Roberto Frassi