Image spcefications:
- Exposure: 7 hours H-alpha
- Camera: SBIG ST-8300M, Astrodon 5nm Ha filter
- 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: Overveen 11 December 2013, France Puimichel 3 September 2016
Image acquisition with ImagesPlus 5.75 Camera Control:
- 21 Ha 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
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