The one on the left is NGC 2207, and the smaller one on the right is IC 2163 — although some of their residents call them, respectively, “xdrm!ue!oiu” and “eeepurrrrrk”
(Wikimedia Commons; click to enlarge)
http://news.sciencemag.org/space/2015/12/most-likely-spots-life-milky-way
Ad-Free & Subscriber Log-In