Tag: open cluster

  • NGC 2237

    NGC 2237

    NGC 2237 or the Rosette Nebula is an emission nebula in the constellation of Monoceros, lighted by the open cluster NGC 2244 whose brightest stars are visible at the centre of the photo.

  • M 8

    M 8

    The Lagoon nebula, or M 8 or NGC 6523, is an emission nebula in the constellation Sagittarius and contains within it the open cluster NGC 6530.