Tagged: Emission Nebula - Adam Lundie - Eatons Hill Observatory

NGC 3199 is a hydrogen emission nebula, about 12,000 light-years away. The nebula is about 75 light-years across with a Wolf-Rayet star generating an intense stellar wind in the center of its ring.

Gum 15 is a cloud of hydrogen gas 3,000 light-years from Earth. It is shaped by aggressive winds flowing from the stars within and around it.

NGC 6188 is a large emission nebula of compressed molecular clouds 4,000 light years away in the constellation Ara. This image spans around 3 full moons and comprises of emission line data for Sulfur-II, Hydrogen-alpha and Oxygen-III, mapped to red, green, and blue respectively.