Open cluster M25
Photo description / processing
Open star cluster M25 in the constellation Sagittarius.
Taken from a balcony in Kharkiv, a red zone of light pollution.
Technical information
- Telescope/Lens
- Sky-Watcher 130PDS
- Camera
- Canon EOS 550D
- Mount
- Sky-Watcher EQ5
- Guide Scope
- No guide
- Accessories
- Sky-Watcher Coma Corrector 2-inch
- Software
- DeepSkyStacker, FitStacker, PhotoShop
- Location
- Kharkiv, Ukraine
Light pollution
Red, Bortle 7 zone
Exposure
- 150 × 20″ · ISO/Gain: 3200
Total exposure: 50 m
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