Athos-12.jpg

Athos-12.jpg
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Object: B71 The Snake, B68, B69, B70, B74 Optic: Baader APO 95/560 CaF2 Travel Companion Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI 1600MM-C @ -18..20°C, Gain=75, Offset=15 Filter: ZWO EFW 7x36mm, ZWO 36mm Filter Exposure: total 3.1h, L 17x4min + 5x4min from RGB, R 11x4min, G 12x4min, B 7x4min, 121xBias, 15x Darks, 31x Flat per Channel Date1: 2018-07-11 Date2: 2018-07-12 Location: ATHOS Centro Astronómico S.L., La Palma Capture: Sequence Generator Pro Guiding: Finderscope, ASI120MM, PHD2 Image Acquisition: Thomas Jaeger Image Processing: Thomas Jaeger PI: BatchPreprocessingScript, Blink, StarAlignment, CosmeticCorrection, ImageIntegration, ChannelCombination STF-Stretch, HistogramTransformation, LRGB-Combination PS: Curves, Levels, maskedLevels, maskedHueSaturation, maskedDynamic, Levels, maskedMinimumFilter