Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  44 Cas  ·  M 103  ·  NGC 581  ·  NGC 654  ·  NGC 659  ·  NGC 663  ·  PK129-02.1  ·  The star 44Cas  ·  VdB6
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NGC 663 and Friends, Sigga
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NGC 663 and Friends

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NGC 663 and Friends, Sigga
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NGC 663 and Friends

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Description

NGC 663, also known as Caldwell 10, is young open cluster of about 400 stars in the Cassiopeia constellation. It has an estimated 400 stars and spans about a quarter of a degree across the sky.

The star cluster is assumed to form part of the stellar association Cassiopeia OB8, that is located in the Perseus arm of the Milky Way, along with the open clusters M103, NGC 654, NGC 659, and some supergiant stars scattered between them, all of them having similar ages and distances.

--Wikipedia

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NGC 663 and Friends, Sigga