• Sadr and Surroundings •
Photo description / processing
Gamma Cygni, also known as Sadr, is the second brightest star in the constellation Cygnus. It is an F8 supergiant that pulsates with a period of 74 days. At a distance of 142 arcseconds, there is a 10th magnitude star, a possible companion.
Image taken on April 11, 2021.
Technical information
- Telescope/Lens
- Jupiter-21M 200mm f/4 Lens
- Camera
- Canon EOS 600D
- Mount
- Sky-Watcher EQ2
- Software
- DeepSkyStacker, FitStacker, Adobe Photoshop
- Location
- Бровары, Украина
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 144 × 5″ · ISO/Gain: 1600 ·
Total exposure: 12 m
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