Open star cluster M6, the Butterfly Cluster, photographed by Nigel Sharp and Mark Hanna. This image shows clearly that most brighter stars in this cluster are young blue stars but the brightest one is an orange giant (Spectral type K0-K3).
Credit and Copyright: Nigel Sharp, Mark Hanna, AURA/NOAO/NSF
Last Modification: 13 Apr 1999, 12:40 MET