Wild Duck Cluster, M11, NGC 6705 - stock photo
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Wild Duck Cluster, M11, NGC 6705

The Wild Duck Cluster (Messier 11) is an open cluster in the constellation Scutum. It was discovered by Gottfried Kirch in 1681. Charles Messier included it in his catalogue in 1764. The Wild Duck Cluster is one of the richest and most compact of the known open clusters, containing about 2900 stars. Its age has been estimated to about 220 million years. Its name derives from the brighter stars forming a triangle which could resemble a flying flock of ducks (or, from other angles, one swimming duck). This color composite was created from CCD images taken at the Burrell Schmidt telescope of the Warner and Swasey Observatory of the Case Western Reserve University, located on Kitt Peak in southwestern Arizona. The contributing images were taken in July 1995 during the Research Experiences for Undergraduates (REU) program operated at the Kitt Peak National Observatory and supported by the National Science Foundation.

Credit
Science Source / N.A. Sharp/REU Program/NOAO/AURA/NSF

Dimensions
3750 x 3750 pixels

Print Size @ 300 dpi
12 x 12 inches / 32 x 32 cm

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