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NGC457 c11f7 2400b2 g200 br15 uvir 25F 375S NoEdit 08082024m


NGC457 c11f7 2400b2 g200 br15 uvir 25F 375S NoEdit 08082024m

NGC 457 (Owl Cluster), [ 15" / 6.25' ]
G11G guided, C11 at f/7.4 with SCT LF Corrector, ASI2400MC-Pro Bin2 with L-1 UV/IR cut filter
Gain=200, Exposure=15, Brightness=15,Temp=5, WB(Red)=50, WB(B)=65
SharpCap 4.1, flat(bias) and dark, linear gradient removal, satellite removal
bilateral filter, unsharp mask (luminance), histogram stretch 3






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