NGC 4216 is an intermediate spiral galaxy located not far from the center of the Virgo Cluster of galaxies, roughly 55 million light-years away. It was discovered by William Herschel on...
The Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27 and NGC 6853) is a planetary nebula (nebulosity surrounding a white dwarf) in the constellation Vulpecula, at a dist...