Arp 278

Posted by dcrowson
on Thursday, March 01, 2018

Arp 278 consists of NGC 7253 (7253A, UGC 11984, VV 242Angel and others, the galaxy at the top left and NGC 7253B (UGC 11985, VV242b and others), the galaxy it is interacting with below. These are part of Arp’s ‘Interacting Double Galaxies’ class and located approximately 185 – 194 million light-years away in Pegasus.

The spiral at the bottom right is UGC 11981.

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

360 minutes total exposure – 6 hours

Imaged October 9th, 10th and 11th, 2017 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/dcrowson/38751716100/sizes/l

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