Westerlund 1 Cluster
March 31, 2003
Atlas Image mosaic, covering 13.0´ × 13.0´ on the sky, of the compact open cluster Westerlund 1. The cluster is located in the southern Milky Way in Ara and is heavily reddened, behind nearly 13 magnitudes of visual extinction, making it one of the most reddened known open clusters in the Milky Way Galaxy. 2000 June 21-27
Topics:
Environment, Star clusters, Stars, Astronomy, Globular cluster, Open cluster, Galaxy, Westerlund 1, Milky Way, Galactic astronomy, Spiral galaxies, Local Group
