Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  34 Cas  ·  34 phi Cas  ·  HD236689  ·  HD236697  ·  HD7902  ·  NGC 457  ·  Owl Cluster  ·  The star φ Cas
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NGC 457 (Caldwell 13), the Owl Cluster, Richard Bright
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NGC 457 (Caldwell 13), the Owl Cluster

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NGC 457 (Caldwell 13), the Owl Cluster, Richard Bright
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NGC 457 (Caldwell 13), the Owl Cluster

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Description

NGC 457 (Caldwell 13), the Owl Cluster in the constellation Cassiopeia. This, from November of last year, is composed of 26 images for a total exposure time of 51 minutes. I used very short exposures (most were actually just 60-seconds) to try and capture the yellow color of the two supergiants in the cluster, φ1 and φ2 Cassiopeiae. Moonlight may have been responsible for some of the noise in the corners. L-pro filter, eVscope-1, Bortle-7.

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NGC 457 (Caldwell 13), the Owl Cluster, Richard Bright

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