Trumpler 15

Trumpler 15 (Trumpler 15 or Cr 119) is an open cluster located in the constellation of Scorpius. It was first identified by the astronomer R.J. Trumpler in 1930. Open clusters are groups of stars that were formed from the same molecular cloud and are loosely bound by mutual gravitational attraction. Trumpler 15 is situated in the vicinity of the more prominent and well-known cluster, NGC 6231.