cwnl:
Melotte 15 Open Star Cluster
Copyright: Maxim Usatov
Melotte 15 is a very young star cluser in the IC 1805 nebula, also known as the Heart Nebula. It consists of massive OB stars with a mean age of only 1.5 million years. Melotte 15 is one of the core clusters of the Cas OB6 stellar association.
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(Source: ikenbot)