The Wide Field Imager (WFI) on the MPG/ESO 2.2-meter telescope at the La Silla Observatory in Chile has taken this beautiful image of the open Wild Duck Cluster, Messier 11, or NGC 6705. The blue stars in the center of the image are the young, hot stars of the cluster. The surrounding redder stars are older, cooler background stars.
Image credit: ESO
Note: For more information, see Wild Ducks Take Flight in Open Cluster.
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