Arp 243

Posted by dcrowson
on Sunday, January 13, 2019

Arp 243 (NGC 2623, UGC 4509, VV 79 and others) appears to be the result of a merger of two or more galaxies in the past. Arp lists it in his ‘Galaxies (not classifiable as S or E) – Appearance of fission’ class. This one is approximately 264 million light-years away in Cancer.

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

360 minutes total exposure – 6 hours

Imaged December 3rd and 8th, 2018 and January 11th, 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.


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