https://github.com/davepinch/pinchy.cc/blob/master/content/topics/astronomy/catalogs/names/lagoon-nebula/lagoon-nebula.md
Lagoon Nebula (Wikipedia) The Lagoon Nebula (catalogued as Messier 8 or M8, NGC 6523, Sharpless 25, RCW 146, and Gum 72) is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and has an H II region.