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IC63 near Gamma CAS
About this observation
Observer
Graham Winstanley
Time of observation
16/12/2017 - 23:30
Object
IC63
Observing location
Bassingham, Lincolnshire
Equipment
Skywatcher ED80
Pier mounted NEQ6
QHY IMG2PRO at -20 deg
ASI120MM on oag
Baader Ha 7nm and RGB filters
Pier mounted NEQ6
QHY IMG2PRO at -20 deg
ASI120MM on oag
Baader Ha 7nm and RGB filters
Exposure
22 x 1200s Ha; 20 x 200s each filter RGB
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I have had some problems with the processing of this image and have just restarted from scratch. It is usual to add some of the Ha to the red channel but I prefer the contrast of the nebula against the colourful stars just using Ha as a luminance. It is easy to see where Gamma CAS is located with its glow and effect on the nebula.
Processing in Pixinsight.
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