Arp 145

Posted by dcrowson
on Thursday, April 22, 2021
Arp 145 (UGC 1840, PGC 9062 and others) is the result of a head on collision of elliptical and spiral galaxies. This one is in Arp’s “E and E-like galaxies – Material emanating from E galaxies” class. It is located about a degree from NGC 891 and approximately 258 million light-years away in Andromeda.

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

360 minutes total exposure – 6 hours

Imaged December 8th, 11th and 14th, 2020 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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