Object: M37 Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 0.9h, R 9x2min, G 9x2min, B 9x2min 327xBias, 48x Darks, 3x31x Flat (R:G:B) Color: RGB Capture: INDI Lib, INDI Starter, CCDciel Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date/Location: 2018-02-13, Zirndorf Image Processing: Pixinsight: BatchPreprocessingScript, CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination, DBE, HT-Stretch, PhotometricColorCalibration ST: Starmask, Magic PS: Levels, NIK Dfine Noisereduction, SelectiveColors, ColorBalance, maskedMinimumFilter |