Thus, the cluster will appear as a point source and might be confused as a single foreground star with unusual colors. The closest clusters are ∼ 1 kpc away and may be a few arcmin in size.
Taken from:
http://lanl.arxiv.org/abs/0809.4262v2
Ryan O'Leary and Abraham Loeb, have calculated the number of little lights in the sky that are actually clusters of stars around a few hunderd black holes inside the Milky Way.
Usually you don't find what you are not looking for. Well done O'Leary and Loeb!
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