NGC 6231

NGC 6231 is the name of an open cluster in the constellation Scorpio.

NGC is an acronym for New General Catalogue of Nebulae and Clusters of Stars, Catalogue of galactic nebulae, star clusters and galaxies.

NGC 6231 has an apparent magnitude of 2.60 mag and an angular extent of 15 * 15 arc minutes and consists of young stars of spectral types B and O.