Messier 42 better known as the Orion Nebula, with the unaided eye from a dark sky site. This stellar relic, first spied by William Herschel in 1787, is nicknamed the Eskimo Nebula (NGC 2392) because, ...

is a striking example of a bipolar planetary nebula. The Hourglass Nebula: This is an image of MyCn18, a young planetary nebula located about 8,000 light-years away, taken with the Wide Field and ...