M57
Technical information
- Telescope/Lens
- Sky-Watcher BK909
- Camera
- Sony NEX-5N
- Mount
- Sky-Watcher EQ2
- Accessories
- Homemade Drive, Baader UHC-S Filter
- Software
- DeepSkyStacker, Fitswork
- Location
- Москва, Россия
Light pollution
Orange, Bortle 6 zone
Exposure
- 15 × 10″ · ISO/Gain: 3200 · Baader UHC-S
Total exposure: 3 m
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