Arp 169

Posted by dcrowson
on Thursday, October 3, 2019
Arp 169 consists of (north to south) NGC 7236 (UGC 11598, VV 1934a and many others), NGC 7237 and NGC 7237C (2MASX J22144877+1350006 and others). Part of Arp’s Galaxies (not classifiable as S or E) with diffuse counter tails class, these appear to be located approximately 340 million light-years away in Pegasus.

The spiral with a bright core below Arp 169 is PGC 68368.

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

360 minutes total exposure – 6 hours

Imaged September 27th, 28th and 29th, 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/dcrowson/48839687136/sizes/l/

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