Object: M13 Hercules Globular Cluster Optic: CA300 (300/1200mm Newton f4), GPU Corrector Mount: Skywatcher EQ8 Camera: ZWO ASI2600MC Pro @-10°C, Gain=100, Offset=50 Filter: - Exposure: total 1.2h, 18x4min, 180xBias, 41x Darks, 41x Flat Color: CFA Date/Location: 2020-05-28, Zirndorf Capture: INDI Lib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat), EQMODGUI, ASTAP Guiding: ZWO-OAG 16.5mm, ASI120MM-S, PHD2, EQMOD Image Processing: PI: BatchPreprocessingScript, Blink, StarAlignment, ImageIntegration, DBE, ArcSinhStretch, MaskedStretch, BackgroundNeutralization PS: maskedBlend of two RGB images (maskedStreched and arcsinhStretch), ColorBalance, Levels HueSaturation, Dynamic, Exposure, Levels |