Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  34 phi Cas  ·  HD236689  ·  HD236697  ·  HD7733  ·  HD7902  ·  HD8159  ·  NGC 457  ·  The star φCas
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NGC457 Owl Cluster, Jeff Kraehnke
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NGC457 Owl Cluster

Getting plate-solving status, please wait...
NGC457 Owl Cluster, Jeff Kraehnke
Powered byPixInsight

NGC457 Owl Cluster

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Description

NGC 457 (also known as the Owl Cluster) is an open star cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1787, and lies over 7,900 light years away from the Sun. It has an estimated age of 21 million years. The cluster is sometimes referred by amateur astronomers as the Owl Cluster. Two bright stars, magnitude 5 Phi-1 Cassiopeiae and magnitude 7 Phi-2 Cassiopeiae can be imagined as eyes. The cluster features a rich field of about 150 stars of magnitudes 12-15.

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NGC457 Owl Cluster, Jeff Kraehnke

In these public groups

Milwaukee Astronomical Society