The moment of closest approach between the Moon and Nunki (σ Sgr) on 22.07.21.
Photo description / processing
The moment of closest approach between the Moon and Nunki (σ Sgr) in Moscow on 22.07.21.
The Moon at a phase of +97%, one day before the full moon, and the star Nunki (σ Sgr) at magnitude +2.05m. The distance between the objects is 3-4'. Observation time was 22:12-22:38 Moscow time.
The video is composed of 500 frames, stacked to 125. A brightness inversion was applied to enhance the effect of the objects' close approach.
Technical information
- Telescope/Lens
- Maksutov-Cassegrain 102/1300
- Camera
- Nikon D5300
- Mount
- Levenhuk Ra ATZ
- Accessories
- UF/IR Cut
- Software
- PIPP, AutoStakkert!, RegiStax, GIMP
- Location
- Москва, Юго-Западная, Россия
- Date taken
Exposure
- 125 × 0.02″ · ISO/Gain: 2000 ·
Total exposure: 0 m









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