M101
Photo description / processing
M101 galaxy in Ha (7nm) and Hb (3nm) channels after removing continuum
Exposure estimated I was capturing it in multiple nights with different exposures
Technical information
- Telescope/Lens
- ED Refractor 70/420
- Camera
- Vetec 16000M
- Mount
- Juwei 17-100
- Location
- Belgrade, Serbia
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 108 × 300″ · ISO/Gain: 2000 ·
Total exposure: 9 h 0 m
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