Image spcefications:
- Exposure: 4,5 hours, LRGB = 120:50:50:50 minutes
- Camera: SBIG ST-8300M, Temp -25 ° 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: 21,29
- Ambient temperature: between 7° C and 1° C
- Date: 11 october 2013
Image acquisition with ImagesPlus 4.0 Camera Control with dither:
- 8 Luminance of 15 min, binned 1x1
- 5 Red + 5 Green + 5 Blue of 10 min, binned 1x1
- 20 Flat fields per channel with Aurora Flatfield panel
At home, camera in fridge:
- 20 Dark frames of 15 min + 20 Dark frames of 10 min
- 20 Flat darks (per channel) + 20 Bias frames
Processing in PixInsight 1.8
- ImageCalibration, ImageIntegration, StarAlignment, ChannelCombination
- BackgroundNeutralization, ColorCalibration, HistogramTransformation
- LRGBCombination, TGVDenoise, CurvesTransformation, SCNR
- ATrousWaveletTransform, PixelMath
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