Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1590  ·  LBN 615  ·  LBN 616  ·  LBN 621  ·  NGC 281  ·  Sh2-184
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Pacman nebula -classic narrowband, Boštjan Zagradišnik
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Pacman nebula -classic narrowband

Getting plate-solving status, please wait...
Pacman nebula -classic narrowband, Boštjan Zagradišnik
Powered byPixInsight

Pacman nebula -classic narrowband

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Description

Used this formula in PixInSight this time. So far I tested lots of different formulas but all of them produced bad SNR in the green channel but this one works like a charm.

R = (Oiii^~Oiii)*Sii + ~(Oiii^~Oiii)*Ha
G = ((Oiii*Ha)^~(Oiii*Ha))*Ha + ~((Oiii*Ha)^~(Oiii*Ha))*Oiii
B = Oiii

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Pacman nebula -classic narrowband, Boštjan Zagradišnik

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