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Image of the day 10/10/2018

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    Abell 31, 


            Casey Good
    Abell 31
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    Technical card

    Dates:Sept. 26, 2018

    B: 12x300" bin 1x1
    G: 12x300" bin 1x1
    Ha: 18x1200" bin 1x1
    Astrodon O3: 24x1200" bin 1x1
    R: 12x299" bin 1x1

    Integration: 17.0 hours

    Avg. Moon age: 16.10 days

    Avg. Moon phase: 98.01%

    Basic astrometry details job: 2270619

    RA center: 8h 54' 10"

    DEC center: +8° 55' 12"

    Pixel scale: 2.075 arcsec/pixel

    Orientation: 181.235 degrees

    Field radius: 1.276 degrees

    Resolution: 3114x3148

    Locations: Deep Sky West, Rowe, New Mexico, None

    Data source: Amateur hosting facility

    Remote source: DeepSkyWest


    Abell 31 is an ancient planetary nebula in the constellation of Cancer. It’s estimated to be about 2,000 light years away, and very large for a planetary nebula; almost as large as the better known helix nebula. Although large, it is extremely faint, requiring long exposure to capture. It also has a an interesting ‘X’ structure in the middle of it.



    Casey Good

    Sky plot

    Sky plot


    Abell 31, 


            Casey Good