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Contains:  Wild Duck cluster, M 11, NGC 6705
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M11 - Wild Duck Cluster, 





    
        

            Kurt Zeppetello
M11 - Wild Duck Cluster

Technical card

Resolution: 2736x1904

Dates:Aug. 22, 2016

Frames: 34x90" ISO800

Integration: 0.8 hours

Darks: ~10

Bias: ~5

Avg. Moon age: 19.26 days

Avg. Moon phase: 78.85%

Temperature: 32.00

Astrometry.net job: 1206829

RA center: 282.768 degrees

DEC center: -6.291 degrees

Pixel scale: 1.477 arcsec/pixel

Orientation: 175.271 degrees

Field radius: 0.684 degrees

Locations: Happy Frog Observatory, Monroe, Connecticut, United States

Description

Wild Duck Cluster and M26
The Wild Duck Cluster (M11) is an open cluster like Pleiades only ten times further at 5,500 light-years. The cluster located in the constellation Scutum contains a few thousand stars as opposed to globular clusters which contain tens to hundreds of thousands of stars and are much older. The name comes from a 19th century English Naval Officer, Admiral Smyth, who thought the cluster resembled a flock of wild ducks. (source: Earthsky.org)

M26 is also an open cluster in the constellation Scutum is approximately 22 light-years across and 5,000 light-years distant. The cluster contains 229 stars making much smaller than its neighbor, M11. (Source: AstroPixels.com, Wikipiedia)

These clusters represent 35 and 36 on my Messier Objects with an ED80 list, not that anybody is keeping track.

Comments

Author

kurtzepp
Kurt Zeppetello
License: None (All rights reserved)
1761
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Revisions

  • M11 - Wild Duck Cluster, 





    
        

            Kurt Zeppetello
    Original
  • Final
    M11 - Wild Duck Cluster, 





    
        

            Kurt Zeppetello
    B

Sky plot

Sky plot

Histogram

M11 - Wild Duck Cluster, 





    
        

            Kurt Zeppetello