Image spcefications:
- Exposure: 45 minutes, RGB = 15:15:15 minutes
- Camera: SBIG ST-8300M, Temp -35 ° C, Baader RGB filters
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Mount: Losmandy G11
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location: Etoile St. Cyrice, France
- Sky Quality Meter: 21,31
- Ambient temperature: -6° C
- Date: 17 Januari 2012
Image acquisition with ImagesPlus 4.0 Camera Control with dither:
- 3 Red + 3 Green + 3 Blue of 5 min, binned 2x2
- 20 Flat fields per channel with Aurora Flatfield panel
At home, camera in fridge:
- 20 Dark frames of 20 min + 20 Dark frames of 5 min
- 20 Flat darks (per channel) + 20 Bias frames
Processing in ImagesPlus 3.82:
- Automatic Image Set Processing per channel: calibrate, normalize, grade
- Align and combine
Processing in PixInsight 1.7
- StarAlignment, ChannelCombination
- ColorCalibration, BackgroundNeutralization, HistogramTransformation
- ACDNR, CurvesTransformation
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