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Contains:  Omega nebula, M 17, NGC 6618
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The Swan or Omega Nebula, 





    
        

            Geoff
The Swan or Omega Nebula

The Swan or Omega Nebula

Technical card

Resolution: 2048x2048

Dates:Aug. 3, 2019

Frames: 45x600"

Integration: 7.5 hours

Avg. Moon age: 2.75 days

Avg. Moon phase: 8.34%

Astrometry.net job: 2856004

RA center: 18h 20' 40"

DEC center: -16° 9' 28"

Pixel scale: 1.449 arcsec/pixel

Orientation: 271.918 degrees

Field radius: 0.583

Locations: Wiruna Dark Sky Site, Ilford, NSW, Australia

Data source: Traveller

Description

Messier 17 is between 5,000 and 6,000 light-years from Earth and is some 15 light-years in diameter. Its total mass is about 800 solar masses and it is one of the brightest and most massive star forming regions in our galaxy.

The open cluster NGC 6618 is embedded in the nebulosity and it is the radiation from these young hot stars that light up the gases of the nebula.

Comments

Author

Geoff
Geoff
License: None (All rights reserved)
1021
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Revisions

  • The Swan or Omega Nebula, 





    
        

            Geoff
    Original
  • Final
    The Swan or Omega Nebula, 





    
        

            Geoff
    B

B

Colour version. OIII, SII added to Ha image

Sky plot

Sky plot

Histogram

The Swan or Omega Nebula, 





    
        

            Geoff