Image spcefications:
- Exposure: 7 hours 45 minutes, LRGB = 240:75:75:75 minutes
- Camera: SBIG ST-8300M, Temp -25 ° C, Baader LRGB filters
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Guiding: SBIG Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location: Etoile St.Cyrice, France
- Mount: Losmandy G11
- Sky Quality Meter: Between 21.41 and 21.46 Losmandy G11
- Ambient temperature: Between 8 ° C and 9 ° C
- Date: 2 and 3 September 2014
Image acquisition with ImagesPlus 5.75 Camera Control:
- 12 Luminance of 20 min, binned 1x1
- 5 Red + 5 Green + 5 Blue of 15 min, binned 1x1
- 20 Flat fields with flatfield panel
- 20 Dark frames of 20 min + 20 Dark frames of 15 min
- 50 Bias frames
Processing in PixInsight 1.8
- ImageCalibration, ImageIntegration, StarAlignment, ChannelCombination, BackgroundNeutralization, DynamicCrop
- StarMask, Convolution, Pixelmath, ATrousWaveletTransform
- Non lineair: HistogramTransformation, CurvesTransformation, SCNR, MorphologicalTransformation, ACDNR
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