Arp 147 consists of a pair of interacting galaxies. The left-most galaxy in this image appears nearly edge-on to our line of sight and features a smooth ring of starlight. The right-most galaxy exhibits a clumpy, blue ring of intense star formation.
https://www.youtube.com/watch?v=Tfzi3JE3PTk
This image shows Arp 147, a pair of interacting galaxies some 430 million light years from Earth.