Hubble Space Telescope image of Arp 16, also known as M66.

M66 was discovered by Charles Messier on 1 March 1780, object 66 in his catalog of “fuzzy things in the night sky that are not comets." He described it as "very long and very faint."

Credit: NASA, ESA, STScI
https://webbtelescope.org/contents/media/images/2024/105/01HMA6P3V363GW0EA0347CR6HV