NGC 6618 – Messier 17
Photo description / processing
NGC 6618 – Messier 17 – Omega / Swan Nebula
110 subs at 70 seconds each – 100 ISO, Bortle 2 – 3
Total Data: 2 hours 10 minutes
Taken with Celestron Origin with 678C camera. Clear filter.
Chester Rd, Masterton, NZ.
Early Tuesday Morning 22nd June 2026
Stacked and processed in Siril
Using Star Reduction and denoise SyQon scripts
The Omega Nebula is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius.
Distance from Earth: 5,000 to 6,000 light years
Technical information
- Telescope/Lens
- Celestron Origin
- Camera
- Sony IMX678-AAQR1
- Mount
- Celestron NexStar Evolution
- Guide Camera
- Celestron StarSense Autoguider
- Software
- Siril
- Location
- Masterton, New Zealand
Light pollution
Blue, Bortle 3 zone
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