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Image of the day 06/07/2018

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    ABELL 39, 


    ABELL 39

    ABELL 39

    Technical card

    Resolution: 4200x2528

    Dates:March 23, 2018May 22, 2018May 23, 2018

    Baader OIII 8.5nm 1.25": 56x300" (gain: 139.00) -20C bin 1x1
    Baader Ha 1.25" 7nm: 35x300" (gain: 139.00) -20C bin 1x1
    Baader SII 1,25" 8nm: 35x300" (gain: 139.00) -20C bin 1x1

    Integration: 10.5 hours

    Darks: ~20

    Flats: ~20

    Flat darks: ~20

    Avg. Moon age: 7.56 days

    Avg. Moon phase: 51.90% job: 2075212

    RA center: 246.890 degrees

    DEC center: 27.909 degrees

    Pixel scale: 0.332 arcsec/pixel

    Orientation: 251.652 degrees

    Field radius: 0.226 degrees

    Locations: Home Observatory - Nelsons Bay Observatory , South River, Ontario, Canada

    Data source: Backyard


    This is a Spherical Planetary Nebula. I have never imaged a nebula so round. Its extremely faint and the moon had just passed the quarter and was close enough to this PN that I didn't try LRGB but tried narrowband instead.



    License: Attribution-NonCommercial Creative Commons

    Sky plot

    Sky plot


    ABELL 39, 



    In these public groups

    ZWO ASI1600MM/QHY163M