m57
Photo description / processing
Due to the too terrible background, I had to darken it quite a bit, but the details of the ring were not lost, so it's fine.
Technical information
- Telescope/Lens
- Sky-Watcher BKP 130/650
- Camera
- Canon EOS 550D (astro-modified)
- Mount
- Sky-Watcher EQ3 (OnStep)
- Guide Scope
- SVBONY SV165
- Guide Camera
- ZWO ASI120MM Mini
- Accessories
- ZWO ASIAIR Plus, Bahtinov Mask
- Software
- Siril, Pixinsight, Affinity
- Location
- Прага, Чехия
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 40 × 100″ · ISO/Gain: 800 · Sv220 7nm ·
Total exposure: 1 h 7 m
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