Arp 273

Posted by dcrowson
on Saturday, December 30, 2017

Arp 273 consists of UGC 1810 (PGC 8961, VV 323 / 323a and others), the spiral being pulled apart at the center and UGC 1813 (PGC 8970, VVC 323b and others), the galaxy interacting with it below. These belong to the “Double galaxies with connected arms” class. Both of these are located approximately 300 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 November 18th and 19th, 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/39366259112/sizes/l

A much closer view can be seen here - https://www.flickr.com/photos/dcrowson/8049118610/sizes/l. This is data I processed from the Hubble.

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