Globular clusters M22 & NGC6642
Photo description / processing
Two globular clusters in the constellation Sagittarius. The large one is M22, the small one is NGC 6642.
Balcony in Kharkiv, 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
- 162 × 20″ · ISO/Gain: 6400
Total exposure: 54 m
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