B171_174.jpg
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B171_174.jpg
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