Jewel Box

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Related to NGC 4755: Open Cluster NGC 4755

Jewel Box

(NGC 4755) A brilliant open cluster in the southern constellation Crux that contains over 100 stars of various colors, the brightest being the 6th-magnitude blue supergiant Kappa (κ) Crucis. It appears to be a young cluster of an estimated age of 10 million years, and is about 2400 parsecs away.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

jewel case

The plastic container used to package an audio CD or CD-ROM disc. See tray card.
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References in periodicals archive ?
Open clusters such as NGC 4755 typically contain anything from a few to thousands of stars that are loosely bound together by gravity.
But what makes the view striking is that the nebular void is bracketed by the brilliant sapphires of Alpha ([alpha]) and Beta ([beta]) Crucis and crowned by the compact, wonderful Jewel Box Cluster, NGC 4755. Taken together, this is a spectacular binocular field.
I'll finish this month's column with what is easily the Southern Hemisphere's most famous open cluster: NGC 4755, better known as the Jewel Box.
The most noticeable one is the Jewel Box, NGC 4755, an open star cluster that easily ranks as one of the finest in the sky.
Also known as NGC 4755 and Caldwell 94, the cluster is about 7,000 light-years distant and is easily found a degree southeast of the brilliant 1st-magnitude star Beta ([beta]) Crucis, where it is visible to the naked eye as a hazy knot surrounding 5.8-magnitude Kappa ([kappa]) Crucis.
NGC 4755 lies between the Coalsack and [beta] Centauri.