Object: Barnard 174,173,171,170,169,368 Optic: Skywatcher Esprit 100/550 Refractor Flattner: Riccardi 0,75x Reducer f=413mm Mount: Skywatcher AZ-EQ6 Camera: ZWO ASI2600MC Pro @-10°C, Gain=100, Offset=50 Filter: none Exposure: total 1.4h, 21x4min, 180xBias, 41x Darks, 51x Flat Date/Location: 2021-09-05, Osttirol, Austria Capture: INDI Lib, INDIStarter, CCDCiel (Sequencing, Autofocus, Dithering, AutomaticFlat) Guiding: 8x50 Finder, ASI120MM-S, PHD2, EQMOD Image Processing: PI: WeightedBatchPreprocessingScript, ArcsinhStretch, ChannelMatch, SCNR Startools: Filter Fringle, StarShrink PS: ColorBalance, Levels, HueSaturation, Levels, masked NIK Define2 Noise Reduction for Background, Curves Observer: Thomas Jäger, www.starhopper.eu |