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Contains:  The star 94Cet, The star ζEri, The star 32Eri, The star 17Eri, The star πEri, The star 10Tau, The star Beid (ο1Eri), The star εEri, The star δEri, The star Zaurak (γEri), Part of the constellation Eridanus (Eri)

Image of the day 10/09/2019

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    Eridanus Loop, 





    
        

            John Gleason
    Eridanus Loop

    Eridanus Loop

    Technical card

    Imaging telescope or lens:Takahashi FSQ Fluorite

    Imaging camera:FLI PL16803

    Mount:Paramount ME

    Guiding telescope or lens:Takahashi FSQ Fluorite

    Software:MaximDL 5

    Filter:Astrodon 5nm Halpha

    Resolution: 2000x2798

    Dates:Oct. 1, 2019

    Frames: 350x1800"

    Integration: 175.0 hours

    Avg. Moon age: 3.11 days

    Avg. Moon phase: 10.57%

    Astrometry.net job: 2968191

    RA center: 54.755 degrees

    DEC center: -9.850 degrees

    Pixel scale: 30.227 arcsec/pixel

    Orientation: 0.009 degrees

    Field radius: 14.440 degrees

    Data source: Own remote observatory

    Remote source: Non-commercial independent facility

    Description

    September and October clear nights in Coonabarabran have enabled additions to my Eridanus Loop project. Here now are 35 mosaic tiles of the large superbubble of gas that surrounds the Orion/Eridanus region. 35 tiles. 10 x 1800s exposure per tile with the Tak FSQ f/5 astrograph. 5nm bandpass Hydrogen alpha emission line. Professional description: The Orion-Eridanus superbubble is a large, elongated (20 degree x 45 degree) cavity in the interstellar medium, filled with hot plasma, that has been created by the nearest active high mass star forming region to the Sun, the Orion star forming region. The superbubble is unusual in that it is oriented roughly parallel to the Galactic plane, is highly elongated, and contains bright filamentary features at large distances from the Orion star forming region. Credit: Dr. Andy Pon, Max Planck Institute.

    Comments

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    dvj
    John Gleason
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    Eridanus Loop, 





    
        

            John Gleason