Image spcefications:
- Exposure: 3 hours, LRGB = 90:30:30:30 minutes
- 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 15 min, binned 1x1
- 3 Red + 3 Green + 3 Blue of 10 min, binned 1x1
- 20 Flat fields with flatfield panel
- 20 Dark frames of 15 and 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, LocalHistogramTransformation
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