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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205

Image of the day 07/03/2019

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    The Great Globular Cluster in Hercules, 





    
        

            -Amenophis-
    The Great Globular Cluster in Hercules

    The Great Globular Cluster in Hercules

    Technical card

    Resolution: 2005x1963

    Dates:Feb. 15, 2019Feb. 16, 2019Feb. 17, 2019

    Frames:
    Astrodon Blue: 26x300" -15C bin 1x1
    Astrodon Green: 25x300" -15C bin 1x1
    Astrodon Luminance: 49x300" -15C bin 1x1
    Astrodon Red: 24x300" -15C bin 1x1

    Integration: 10.3 hours

    Darks: ~100

    Flats: ~20

    Bias: ~1000

    Avg. Moon age: 11.14 days

    Avg. Moon phase: 85.17%

    Astrometry.net job: 2764042

    RA center: 250.422 degrees

    DEC center: 36.435 degrees

    Pixel scale: 1.678 arcsec/pixel

    Orientation: 263.995 degrees

    Field radius: 0.654 degrees

    Data source: Own remote observatory

    Remote source: Non-commercial independent facility

    Description

    One of the brightest and best-known globular clusters in the world northern sky. This glittering metropolis of stars is easily found in the sky in the constellation Hercules and can even be glimpsed with the unaided eye under dark skies.

    M13 is home to over 100,000 stars and located at a distance of 25,000 light-years. These stars are packed together in a ball, approximately 150 light-years across, that they will spend their entire lives whirling around in the cluster.

    Comments

    Author

    -Amenophis-
    -Amenophis-
    License: None (All rights reserved)
    135312
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    Revisions

      The Great Globular Cluster in Hercules, 





    
        

            -Amenophis-
      Original
    • Final
      The Great Globular Cluster in Hercules, 





    
        

            -Amenophis-
      B

    B

    Color blotch reduction and deep space noise reduction

    Sky plot

    Sky plot

    Histogram

    The Great Globular Cluster in Hercules, 





    
        

            -Amenophis-