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Contains:  The star γCrA, The star εCrA, The star ζCrA, The star δCrA, The star θ1Sgr, The star ιSgr, The star βCrA, The star αCrA, The star Rukbat (αSgr), Part of the constellation Sagittarius (Sgr), Part of the constellation Corona Austrina (CrA)

Image of the day 05/20/2017

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    A wide area of Corona Austrina, 


            Atsushi Ono
    A wide area of Corona Austrina

    A wide area of Corona Austrina

    Technical card

    Imaging telescope or lens:Zeiss APO Sonnar T* 2/135 ZF.2

    Imaging camera:Nikon D810A

    Mount:UNITEC SWAT-300S

    Guiding telescope or lens:Kowa LM75JC

    Guiding camera:Lacerta M-Gen

    Software:Adobe Photoshop CC

    Resolution: 1800x1184

    Dates:May 7, 2016

    Frames: 32x180"

    Integration: 1.6 hours

    Avg. Moon age: 0.81 days

    Avg. Moon phase: 0.74% job: 1577912

    RA center: 291.508 degrees

    DEC center: -37.308 degrees

    Pixel scale: 31.176 arcsec/pixel

    Orientation: 175.719 degrees

    Field radius: 9.329 degrees

    Locations: Mt.Cook, Lake Pukaki, Canterbury, New Zealand



    Atsushi Ono

    Sky plot

    Sky plot


    A wide area of Corona Austrina, 


            Atsushi Ono