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Contains:  Omega nebula, M 17, NGC 6618
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M17, 





    
        

            Philippe Mingasson
M17

M17

Technical card

Imaging telescope or lens:GSO RC8

Imaging camera:Canon EOS 450D / Digital Rebel XSi / Kiss X2

Mount:Sky-Watcher NEQ6

Guiding telescope or lens:GSO RC8

Guiding camera:lacerta mgen2

Focal reducer:AP CCDT67

Software:photoshopIris

Accessory:Lacerta OAG

Resolution: 4226x2785

Dates:July 23, 2014

Frames: 17x600"

Integration: 2.8 hours

Avg. Moon age: 26.40 days

Avg. Moon phase: 10.70%

Astrometry.net job: 339617

RA center: 275.254 degrees

DEC center: -16.124 degrees

Orientation: 92.300 degrees

Field radius: 0.691 degrees

Description

The Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula[1][2] (catalogued as Messier 17 or M17 and as NGC 6618) 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 located in the rich starfields of the Sagittarius area of the Milky Way.

Comments

Author

philming
Philippe Mingasson
License: None (All rights reserved)
2610
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Revisions

  • M17, 





    
        

            Philippe Mingasson
    Original
  • M17, 





    
        

            Philippe Mingasson
    C
  • Final
    M17, 





    
        

            Philippe Mingasson
    D

Sky plot

Sky plot

Histogram

M17, 





    
        

            Philippe Mingasson