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来自维基百科,自由的百科全书
NGC 6520是位于星座人马座,叠加在大人马座恒星云上的一个疏散星团。它的视星等为9.0,直径5弧分,G级。它有大约25颗9至12等的恒星。暗星云巴纳德86位于其西侧边缘附近。
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