Declination −27° 53′ Apparent dimensions (V) 5' | Right ascension 18 3.4 Apparent magnitude (V) 9.0 | |
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NGC 6520 is an open cluster in the constellation Sagittarius. It is magnitude 9.0, diameter 5 arc minutes and class G. It has about 25 stars of magnitude 9 to 12. A dark nebula B86 near its western edge.
References
NGC 6520 Wikipedia(Text) CC BY-SA