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Image of the day 04/11/2019

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    Gum Nebula, 





    
        

            John Gleason

    Gum Nebula

    Technical card

    Imaging telescope or lens:Takahashi FSQ Fluorite

    Imaging camera:FLI PL16803

    Mount:Paramount ME

    Software:MaximDL 5

    Filter:Astrodon 5nm Halpha

    Resolution: 5000x4042

    Dates:April 1, 2019

    Frames: 720x1800"

    Integration: 360.0 hours

    Avg. Moon age: 26.01 days

    Avg. Moon phase: 13.39%

    Astrometry.net job: 2619971

    Data source: Own remote observatory

    Remote source: Non-commercial independent facility

    Description

    Gum Nebula, largest known emission nebula in terms of angular diameter as seen from Earth, extending about 35° in the southern constellations Puppis and Vela. A complex of diffuse, glowing gas too faint to be seen with the unaided eye, it was discovered by the Australian-born astrophysicist Colin S. Gum, who published his findings in 1955. The Gum Nebula lies roughly 1,000 light-years from Earth and is about 1,000 light-years in diameter. It may be the remnant of an ancient supernova—i.e., violently exploding star. - Encyclopedia Britannica

    Starless processing (starnet++ grayscale), Hydrogen alpha 12 x 10 mosaic.

    Comments

    Author

    dvj
    John Gleason
    License: None (All rights reserved)
    125419
    Like

    Histogram

    Gum Nebula, 





    
        

            John Gleason