M17 SHO
Photo description / processing
M17 (Omega or Lobster) SHO
Telescope Takahashi TSA 102s + 0.7x reducer/flattener
Camera QHY163m
Mount SkyWatcher AZEQ6
Off-axis guider + camera QHY5L-IIm
Filter Baader Ha 7nm 74x120s
Filter Baader OIII 8.5nm 161x120s
Filter Baader SII 8nm 92x120s
Gain 200, offset 70, T -15°C
Captured with APT.
Calibration, alignment, stacking, processing – PixInsight + Photoshop.
Data collected in May–June 2020. Shooting location – South Moscow, balcony.
Technical information
- Telescope/Lens
- Takahashi 102s
- Camera
- QHY163m
- Mount
- Sky-Watcher AZ-EQ6 GT
- Guide Scope
- OAG
- Guide Camera
- QHY QHY5L-II-M
- Accessories
- 0.7 Reducer/Flettner
- Software
- Astro Photography Tool, Pixinsight, Adobe Photoshop
- Location
- Москва, Россия
Light pollution
White, Bortle 8/9 zone
Exposure
- 74 × 120″ · ISO/Gain: 200 · Baader Ha 7nm 1.25"
- 161 × 120″ · ISO/Gain: 200 · Baader OIII 8.5nm 1.25"
- 95 × 120″ · ISO/Gain: 200 · Baader SII 8nm 1.25"
Total exposure: 11 h 0 m
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