NGC 6541 (also known as Caldwell 78) is a globular cluster of stars in the southern constellation of Corona Australis.
The globular cluster was discovered by Niccolò Cacciatore at the Palermo Astronomical Observatory, Sicily, on March 19, 1826.
The cluster has an apparent visual magnitude of 6.3 and an angular diameter of 15′.
[5] It is estimated to be around 12.9 billion years old,[6] and is believed to have undergone core collapse.
[8] A total of 94 blue straggler members have been identified,[9] as well as three W Ursae Majoris and nine SX Phoenicis variables.