NGC 6559

NGC 6559 is an star forming region in the constellation of Sagittarius. It is about 5,000 light years from earth.Martin A. Ratcliffe, State of the Universe 2007: New Images, Discoveries, and Events (New York; Berlin: Springer Publishing; Praxis Publishing, 2007), pp. 35–36 About 7 light years across, it is a dense cloud of dust that hides other stars.

 References 

Category:Nebulae