Image spcefications:
- Exposure: 200 minutes, H-alpha
- Camera: SBIG ST-8300M, Temp -25 ° C Astrodon 5nm H-alpha filter
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Mount: Losmandy G11
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location: Overveen, Netherlands
- Ambient temperature: 10° C
- Date: 21 and 22 mars 2012
Image acquisition with ImagesPlus 4.0 Camera Control with dither:
- 10 subs of 20 min, binned 1x1
- 20 Flat fields with Aurora Flatfield panel
- 15 Dark frames of 10 min
- 20 Flat darks + 20 Bias frames
Processing in ImagesPlus 3.82:
- Automatic Image Set Processing per channel: calibrate, normalize
Processing in PixInsight 1.7
- StarAlignment
- HistogramTransformation
- HDRMultiScaleTransformation, ACDNR
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