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NGC 4755 Jewel Box

The Jewel Box, Kappa Crucis Cluster, NGC 4755, is an open cluster in the constellation Crux, originally discovered by Nicolas Louis de Lacaille during 1751–1752. This famous cluster was later named the Jewel Box by Sir John Herschel when he described its telescopic appearance as "...a superb piece of fancy jewellery"

The Jewel Box cluster is one of the youngest known open clusters. The brightest stars in this cluster are supergiants, and include some of the brightest stars in the Milky Way galaxy.

Image data:
RGB (80-80-80 min) 10 min subs, total 4 h, north is down, seeing 0.8-1.2 arc-sec,
80cm f/7 Astrooptik Keller cassegrain, FLI PL-16803, Baader filters, Prompt 7 CTIO Chile

Processing: Johannes Schedler

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Last modified on Monday, 15 February 2016 19:30

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