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Contains:  NGC 4039, Antennae, NGC 4038

Image of the day 08/27/2018

Getting plate-solving status, please wait...
    Antennae Galaxies, 


            Ken Kattner
    Antennae Galaxies

    Technical card

    Resolution: 3659x2448

    Dates:May 15, 2018

    Frames: 39x900"

    Integration: 9.8 hours

    Avg. Moon age: 0.00 days

    Avg. Moon phase: 0.00% job: 2210947

    RA center: 180.463 degrees

    DEC center: -18.877 degrees

    Pixel scale: 0.496 arcsec/pixel

    Orientation: 290.812 degrees

    Field radius: 0.303 degrees

    Data source: Own remote observatory


    The Antennae Galaxies are a pair of interacting galaxies in the constellation Corvus (also known as NGC 4038 and NGC 4039). The galaxies are undergoing a galactic collision and the nuclei of the galaxies are combining to become one larger galaxy. The long tails of gas, stars and dust ejected from the collision resemble an insect’s antennae giving the galaxies their name. Our own Milky Way Galaxy is predicted to collide with the Andromeda Galaxy in a similar collision in the distant future. The galaxies have a relatively young collection of globular clusters that were formed when the two galaxies collided about 600 million years ago. This is a difficult object to image because it is only above the horizon in the spring of each year and the star trails are very dim and require significant exposure. Due to these conditions, images of the galaxies were taken over a two year period and required a total of 16.25 hours of exposure. Specifically, 390 minutes of luminance and 195 minutes of RGB each.



    Ken Kattner

    Sky plot

    Sky plot


    Antennae Galaxies, 


            Ken Kattner