Image spcefications:
- Exposure: 3,5 hours, LRGB = 120:30:30:30 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: Wateren, The Netherlands
- Date: 24 mars 2012
Image acquisition with ImagesPlus 4.0 Camera Control with dither:
- 12 Luminance of 10 min, binned 1x1
- 6 Red + 6 Green + 6 Blue of 5 min, binned 2x2
- 20 Flat fields per channel with Aurora Flatfield panel
At home, camera in fridge:
- 20 Dark frames of 10 min + 20 Dark frames of 5 min
- 20 Flat darks (per channel) + 20 Bias frames
Processing in ImagesPlus 3.82:
- Automatic Image Set Processing per channel: calibrate, normalize, grade
Processing in PixInsight 1.7
- StarAlignment, ChannelCombination
- BackgroundNeutralization, ColorCalibration, HistogramTransformation
- HDRMultiScaleTransformation, ACDNR, CurvesTransformation, SCNR
- MorphologicalTransformation, LocalHitogramEqualisation
- LRGBCombination
Processing in Photoshop CS3:
|
