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

  • Hi-res version of this image
  • This image was featured as Astronomy Picture of the Day January 6, 1999
  • More information on this image (N. Sharp, NOAO)
  • More AURA/NOAO images

  • Amateur images of M6

    Hartmut Frommert
    Christine Kronberg

    [SEDS] [MAA] [Home] [Back to M6]

    Last Modification: April 13, 1999