Messier 20 - Trifid Nebula
Photo description / processing
Messier 20 – Trifid Nebula
216 subs at 45 seconds each – 200 ISO, Bortle 2 – 3
Total Data: 2 hours 42 minutes
Taken with Celestron Origin.
Friday 11th & Saturday 12th September 2026
West Taratahi Hall, Chester Rd, Masterton, NZ.
Stacked and processed in Siril
RC Astro, Veralux Hypermetric Stretch & CosmicClarity
The Trifid Nebula is an H II region in the north-west of Sagittarius in a star-forming region in the Milky Way's Scutum–Centaurus Arm. It was discovered by Charles Messier on June 5, 1764. Its name means 'three-lobe'.
Technical information
- Telescope/Lens
- Celestron Origin
- Camera
- Starvis 2 IMX678
- Mount
- Celestron NexStar Evolution
- Guide Camera
- Celestron StarSense Autoguider
- Software
- Siril
- Location
- Masterton, New Zealand
Light pollution
Blue, Bortle 3 zone
- Date taken
Exposure
- 216 × 45″ · ISO/Gain: 200 ·
Total exposure: 2 h 42 m
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