The Orion Nebula (M42), M43, NGC 1977
Photo description / processing
An attempt to photograph the BTO from a city balcony with extreme light pollution. The CLS filter helped a bit. Two sessions on 06-07.01.2021. Outside temperature was -25 to -30°C.
Technical information
- Telescope/Lens
- Sky-Watcher 150/750
- Camera
- Nikon D5100
- Mount
- Celestron CG-5 (step-motor drive)
- Accessories
- GSO Coma Corrector, SVBONY CLS Filter 2-inch
- Software
- DeepSkyStacker, Fitswork4, Adobe Photoshop
- Location
- Новосибирск, Россия
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 190 × 30″ · ISO/Gain: 320 ·
- 190 × 30″ · ISO/Gain: 640 ·
Total exposure: 3 h 10 m
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