This galaxy “pair” is M60 and NGC4647. They are right next to each other but apparently are not related, only line-of-sight. Above is a chart, a comparison between my RCOS images and Hubble’s, as well as a B&W. I did about 3 hours of RGB 2X2 data on it.
http://unews.utah.edu/news_releases/smallest-known-galaxy-with-a-supermassive-black-hole/