Holmberg I
Photo description / processing
Dwarf galaxy (low surface brightness irregular dwarf galaxy) Holmberg I (UGC 5139) in the constellation Ursa Major.
Captured near Ruza over two nights, October 30-31, 2021.
Technical information
- Telescope/Lens
- Sky-Watcher BKP2512
- Camera
- QHY163m
- Mount
- EQ6R-PRO
- Guide Scope
- Guide Scope 60/240
- Guide Camera
- T7Mono
- Accessories
- TS Komakorr, ZWO EFW, ZwoLRGB
- Location
- Ruza, Russia
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 121 × 300″ · ISO/Gain: 26 · L ·
- 26 × 300″ · ISO/Gain: 26 · R ·
- 24 × 300″ · ISO/Gain: 26 · G ·
- 23 × 300″ · ISO/Gain: 26 · B ·
Total exposure: 16 h 10 m
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