Arp 78

Posted by dcrowson
on Tuesday, April 18, 2017

Arp 78 (NGC 772, UGC 1466 and others) is an unbarred spiral approximately twice the size of our Milky Way, located around 130 million light-years away in Aries. It is interacting with NGC 770 (UGC 1463 and others), a dwarf elliptical at the center of the image.

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

360 minutes total exposure – 6 hours

Imaged January 22nd, 26th, 27th and 28th, 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/34122634105/sizes/l

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