Celestial hemisphere:  Southern  ·  Constellation: Crux (Cru)  ·  Contains:  Herschel's Jewel Box  ·  NGC 4755  ·  The star κCru  ·  kappa Crucis Cluster
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NGC 4755 -  Jewel Box Cluster, Cluster One Observatory

NGC 4755 - Jewel Box Cluster

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NGC 4755 -  Jewel Box Cluster, Cluster One Observatory

NGC 4755 - Jewel Box Cluster

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Description

This image features NGC 4755, or the Jewel Box cluster. Several very bright, pale blue super giant stars, a solitary ruby-red super giant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dim points are less than half the mass of the Sun.

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NGC 4755 -  Jewel Box Cluster, Cluster One Observatory

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