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Thread: Arp 320 - Copeland's Septet

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    Default Arp 320 - Copeland's Septet



    Arp 320 (Hickson 57) is part of Arp’s ‘Galaxy groups’ class and consists of all of the ones at the center of this image. Starting at the top, the galaxies are NGC 3748, 3745, 3746, 3750, 3753, 3754 and PGC 36010 below NGC 3748. NGC 3751, located below these galaxies, is part of Hickson 57 but not in Arp 320. These galaxies are located approximately 400 million light-years away in Leo.

    Luminance – 24x600s – 240 minutes – binned 1x1
    RGB – 8x300s – 40 minutes each – binned 2x2

    360 minutes total exposure – 6 hours

    Imaged April 5th and 6th, 2019 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

    LRGB - https://www.flickr.com/photos/dcrows...747917/sizes/l



    Dan
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    Default Re: Arp 320 - Copeland's Septet

    That is really pretty Dan. There are little fuzzies all over the place. Not sure I have seen this group before.

    Thanks for the additional information. 400 million light years! Now that is a long way off. No wonder you used the "big gun" to capture this.

    Well done. Thanks for sharing.

    Steve
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    Default Re: Arp 320 - Copeland's Septet

    Beautiful group of extremely distant galaxies Dan!

    Very impressive image sir!

    Thanks,
    Jim

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    Default Re: Arp 320 - Copeland's Septet

    Nice one Dan. This is a lovely grouping of galaxies.
    Jim Thommes

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    Default Re: Arp 320 - Copeland's Septet

    Beautiful image and impressive imaging, Dan.

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    Default Re: Arp 320 - Copeland's Septet

    Very interesting image thanks so much for sharing


    Rhoda

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    Default Re: Arp 320 - Copeland's Septet

    Well, just about every image that you post, Dan, is a rare one. As usual, so well done. But especially striking to read that we're looking at a galaxy group 400 million light years distant from us.

    Joe
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    Default

    Pretty rad image!

    Sent from my SM-G960U using Tapatalk

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    Default Re: Arp 320 - Copeland's Septet

    Amazing! Great work, Dan!
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    Default Re: Arp 320 - Copeland's Septet

    Dantastic! ;-)
    40 years in amateur astronomy - 1978-2018
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