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Contains:  M 25, IC 4725
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M25 Open Cluster in Sagittarius , 





    
        

            Barry Brook
M25 Open Cluster in Sagittarius

M25 Open Cluster in Sagittarius

Technical card

Resolution: 2282x1514

Dates:July 29, 2014

Frames: 30x180" ISO800

Integration: 1.5 hours

Darks: ~11

Flats: ~100

Bias: ~100

Avg. Moon age: 2.28 days

Avg. Moon phase: 5.79%

Bortle Dark-Sky Scale: 6.00

Mean FWHM: 2.05

Temperature: 7.00

Astrometry.net job: 339153

RA center: 277.739 degrees

DEC center: -19.063 degrees

Orientation: -89.157 degrees

Field radius: 2.098 degrees

Description

M25 is an Open Cluster at a distance of about 2,000 light-years away from Earth, spanning about 19 light years across. It is nestled in the rich star fields of Sagittarius, towards the heart of the Galaxy.

Comments

Author

Amaranthus
Barry Brook
License: Attribution Creative Commons
2230
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Revisions

  • M25 Open Cluster in Sagittarius , 





    
        

            Barry Brook
    Original
  • Final
    M25 Open Cluster in Sagittarius , 





    
        

            Barry Brook
    B

Sky plot

Sky plot

Histogram

M25 Open Cluster in Sagittarius , 





    
        

            Barry Brook