B174-171.jpg
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B174-171.jpg
Object: B174, B171, B170 in Ceqheus
Optic: CA300 (300/1140mm Newton) + Newtonmaster
Corrector: Keller 3" Wynne
Filter: Baader 50mm L-RGB
Camera: SBIG STL11000M C2 at -15°C, selfguiding
Exposures: L-R-G-B 44:28:28:24min, subexposures 4min
Processing: REGIM, Fitswork, Pixinsight
Date: 2012.08.18 Kreben