Title: Leo I Dwarf, UGC 5470, DDO 74 Optic: CA300 (300/1140mm Newton) + Newtonmaster (both homemade) Corrector: Keller 3" Wynne Filter: Baader 50mm LRGB Camera: SBIG STL11000M C2 at -20°C Mount: Vixen Atlux (old model) Guiding: selfguiding Exposures: 5x4min R, 6x4min G, 5*4min B 6 Darks, 41x Bias, 31x Flat (G) Location: 2016-03-26, Kreben, Germany Processing Pixinsight: Image Calibration, CosmeticCorrection, StarAlignment, Image Integration, ChannelCombination, BackgroundNeutralization, DBE, Masked-Stretch, HistogramTransformation PS: maskedMaximumFilter, maskedHueSaturation, Levels, maskedCurves, unsharpMasking, Curves |