... Open Menu . ... Star Clusters . ... Stars@ESO . ... This pretty sprinkling of bright blue stars is the cluster NGC 2547, a group of recently formed stars in the southern constellation of Vela (The Sail). ... In this image, you can see some of the newcomers, the young stars forming the cluster NGC 2547. ... While NGC 2547 contains many hot stars that glow bright blue, a telltale sign of their youth, you can also find one or two yellow or red stars which have already evolved to become red giants. ...