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    Cocoon Nebula (IC 5146)

    Cocoon Nebula (IC 5146)
    The Cocoon Nebula. Image courtesy Richard Crisp
    A small round emission nebula centered near the apex of several dark lanes in the otherwise rich star fields of Cygnus. The Cocoon is embedded in an open cluster of about 80 young stars.


    visual magnitude 7.0
    angular diameter 12'
    distance 3,000 light-years
    position R.A. 21h 51m, Dec. +47° 02'


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