Image spcefications:
- Exposure: 11 hours, RGBHaO3 = 60:60:240:240 minutes
- Camera: SBIG ST-8300M, Temp -25 ° C
- Filters: Baader RGB, Astrodon 5nm Ha and 3nm O3
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Guiding: SBIG Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Mount: Losmandy G11
- Ambient temperature: Between 9 ° C and 11 ° C
- Location: Etoile St.Cyrice, France
- Date: September 2014, September 2015
Image acquisition with ImagesPlus 5.75 Camera Control:
- 6 Red + 6 Green + 6 Blue of 10 min, binned 1x1
- 12 H-alpha of 20 min, 12 O3 of 20 min, binned 1x1
- 20 Flat fields with flatfield panel
- 20 Dark frames of 20 min
- 50 Bias frames
Processing in PixInsight 1.8
- ImageCalibration, ImageIntegration, CosmeticCorrection, StarAlignment, ChannelCombination, BackgroundNeutralization, DynamicCrop
- StarMask, Convolution, Pixelmath, ATrousWaveletTransform
- Non lineair: HistogramTransformation, CurvesTransformation, MorphologicalTransformation, ACDNR
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