Orion Nebula 15s & 10s
Photo description / processing
Stacked 253 x 15s and 325 x 10s together.
Star shape problems appear to be entirely because of the lens being used at f/5.6, I usually use lower apertures to avoid this, but I wanted to get as much light in as possible this time.
Technical information
- Telescope/Lens
- Sigma 70-300mm f/4-5.6 APO DG Macro Lens
- Camera
- Canon EOS 550D
- Mount
- Sky-Watcher Star Discovery Mount
- Location
- Birmingham, United Kingdom
Light pollution
Red, Bortle 7 zone
- Date taken
Exposure
- 253 × 15″ · ISO/Gain: 800 ·
- 325 × 10″ · ISO/Gain: 800 ·
Total exposure: 1 h 57 m
NGC 1976
Mar 4th, 2026 · UTC · Moon information 98% · >15° / Astronomical night: 3.75 h
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