Image spcefications:
- Exposure: 12 hours, HaO3 = 360:360
- Camera: SBIG ST-8300M, Temp -20 ° C, Filters: Astrodon 5nm H-alpha, 3nm O3
- Instrument: TEC 140, focal distance 980 mm
- Mount: Paramount MX+
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location: Etoile St. Cyrice, France
- Sky Quality Meter: 21,3
- Ambient temperature: 17° C
- Date: 19 and 20 August 2020
Image acquisition Sequence Generator Pro:
- 18 H-alpha of 20 minutes binned 1x1
- 18 O3 of 20 minutes binned 1x1
- 20 Flat fields per channel with Flatfield panel
- 20 Dark frames of 20 miutes + 50 Bias frames
Processed with PixInsight 5.8.8
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