Celestial hemisphere:  Southern  ·  Constellation: Carina (Car)  ·  Contains:  NGC 2516
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NGC 2516 in Carina, Paulo Cacella
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NGC 2516 in Carina

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NGC 2516 in Carina, Paulo Cacella
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NGC 2516 in Carina

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Description

This bright cluster itself is easily visible with the naked eye as a hazy patch, but is resolvable into stars using binoculars. It contains two 5th magnitude red giant stars and three main visual double stars: HJ 4027, HJ 4031 and I 29. A small telescope would be required to split the double stars, which are all pairs of 8-9 magnitude and 1-10 arcseconds separation.[5]

NGC 2516 and the recently discovered nearby star cluster Mamajek 2 in Ophiuchus have similar age and metallicity. Recently, kinematic evidence was presented by E. Jilinski and coauthors that suggests that these two stellar groups may have formed in the same star-forming complex some 135 million years ago

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NGC 2516 in Carina, Paulo Cacella