The Crescent Nebula (NGC 6888).
Photo description / processing
24.08.2020, 26.08.2020.
Imaging from an "astro-field" in the suburbs of Chelyabinsk.
Bicolor (Ha, O3, O3).
Technical information
- Telescope/Lens
- Sky-Watcher ED80
- Camera
- ZWO ASI1600MM-C
- Mount
- Sky-Watcher HEQ5 Pro
- Guide Scope
- SVBONY 60/240
- Guide Camera
- ZWO ASI290MC
- Accessories
- Sky-Watcher 0.85x Reducer, ZWO EFW Mini, ZWO ASIAIR Pro
- Software
- Pixinsight
- Location
- Челябинск, Россия
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 28 × 300″ · ISO/Gain: 139 · Baader H-alpha ·
- 20 × 300″ · ISO/Gain: 139 · Baader O-III ·
Total exposure: 4 h 0 m
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