M42 in SHO with Sii and Ha as Luminance
M42 in SHO, Planewave CDK24 with QHY600M CMOS, El Sauce Observatory, Chile.
Sii and 20% Ha channels used as luminosity integration in SHO combinations, as according to Nik Szymanek approach to Sulphur-II Luminance Compositing.
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