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Image of the day 06/22/2019

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    Bernes 149, Lupus 3 dark cloud in Scorpius, 





    
        

            José Joaquín Pérez
    Bernes 149, Lupus 3 dark cloud in Scorpius

    Bernes 149, Lupus 3 dark cloud in Scorpius

    Technical card

    Resolution: 4524x3624

    Dates:May 20, 2019

    Integration: 0.0 hours

    Avg. Moon age: 16.41 days

    Avg. Moon phase: 96.98%

    Astrometry.net job: 2737944

    RA center: 242.204 degrees

    DEC center: -39.162 degrees

    Pixel scale: 1.101 arcsec/pixel

    Orientation: 359.475 degrees

    Field radius: 0.887 degrees

    Locations: Observatorio El Sauce, Valle del Río Hurtado, Limarí, Chile

    Data source: Own remote observatory

    Remote source: Observatorio El Sauce

    Description

    Bernes 149 is an obscure nebula complex consisting of the reflection nebula GN 16.05.2 at the centre of an elongated dusty dark nebula. Although mostly unknown to amateurs, it has been well studied by professionals and is also known as the Lupus 3 cloud. The name comes from its connection with many other dark clouds in the constellation of Lupus. Near the centre of the image are the blazing bright stars HR 5999 and HR 6000. They belong to a class of YSO known as Herbig Ae/Be stars, which are intermediate mass pre-main sequence precursors to supergiant stars. The central reflection nebula is illuminated by HR 5999, the southern of the pair. Out of all the Lupus clouds, Lupus 3 exhibits the highest rate of star formation. Searches for young stellar objects have yielded the detection of more than a hundred x-ray sources in a 30 arcminute radius around HR 5999 and HR 6000. The Lupus 3 cloud also contains protostars with detected jets and outflows and Herbig Haro objects have been found near the central region (not visible in image). The Lupus clouds are approximately 450-650 light years away (text and target suggestion by Sakib Rasool)

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    Author

    cotejardinero@gmail.com
    José Joaquín Pérez
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    Bernes 149, Lupus 3 dark cloud in Scorpius, 





    
        

            José Joaquín Pérez