Celestial hemisphere:  Southern  ·  Constellation: Crux (Cru)  ·  Contains:  Jewel Box  ·  NGC 4755  ·  The star κCru  ·  kap Cru  ·  kappa Cru cluster
The Jewel Box, Geoff
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The Jewel Box

The Jewel Box, Geoff
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The Jewel Box

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Description

The Jewel Box (Kappa Crucis Cluster or NGC 4755) is an open cluster in the constellation Crux, originally discovered by Nicolas Louis de Lacaille in 1751–1752. This cluster was later named the Jewel Box by John Herschel when he described its telescopic appearance as "...a superb piece of fancy jewellery". It is easily visible to the naked eye as a hazy star some 1.0° southeast of the first-magnitude star Mimosa (Beta Crucis).

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