Object: M54 Optic: NON1000 (200/1000mm Newton f5), GPU Corrector Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15 Filter: ZWO EFW 7x36mm, Baader 36mm Filter Exposure: total 14min, L 4x2min + 1x2min from RGB, R 1x2min, G 1x2min, B 1x2min 327xBias, 48x Darks, 31x Flat(L:R:G:B) Color: LRGB Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard) Guiding: TS-OAG 9mm, ASI120MM, PHD2 Date/Location: 2017-08-25, Austria Image Processing: Pixinsight: BatchPreprocessingScript (calibrate only), CosmeticCorrection, StarAlignment, Blink, ImageIntegration, ChannelCombination, ABE, MaskedStretch, PhotometricColorCalibration PS: Levels |