Image spcefications:
- Exposure: 3,5 hours, LRGB = 60:40:40:40 minutes, for core RGB 1, 3 and 5 min
- Camera: SBIG ST-8300M, Temp -25 ° C, Baader LRGB filters
- Instrument: TEC 140 with field flattener focal distance 980 mm
- Mount: Losmandy G11
- Guiding: SBIG Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location and date: Etoile St.Cyrice, France, 24 April 2015
Image acquisition with ImagesPlus 5.75 Camera Control:
- 6 Luminance of 10 min, binned 1x1
- 4 Red + 4 Green + 4 Blue of 10 min, binned 1x1
- 20 Flat fields with flatfield panel
- 20 Dark frames of 10 min
- 50 Bias frames
Processing in PixInsight 1.8
- ImageCalibration, ImageIntegration, StarAlignment, ChannelCombination, BackgroundNeutralization, DBE, ColorCalibration, DynamicCrop
- StarMask, RangeMask, Convolution, Pixelmath, ATrousWaveletTransform
- Non lineair: HistogramTransformation, CurvesTransformation, SCNR, MorphologicalTransformation, ACDNR, HDRComposition
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