Caption: The elliptical galaxy NGC 474. Elliptical galaxies are generally characterized by their relatively smooth appearance when compared with spiral galaxies (one of which is to the right) which have more flocculent structure interwoven with dust lanes and spiral arms. NGC 474 is at a distance of about 31 Mpc (100 Million light years) from the Sun in the constellation of Pisces. This 30 arcmin x 20 arcmin image of the field (the full moon has a diameter of 30 arcmin) around NGC 474 shows unusual structures characterized as 'tidal tails' and 'shell-like' structures made up of hundreds of millions of stars. These features are likely due to recent mergers (within the last billion years) or close interactions of NGC 474 with smaller infalling dwarf galaxies or perhaps due to gravitational interactions with the spiral galaxy to the right. This is a composite RGB color image, made by registering and combining some ~30 separate 90 second DECam exposures obtained with the i, r and g band filters on the Blanco 4m telescope. (Image credit: Erin Sheldon, BNL)