北冕座ο,又名BD+30 2647,HD 136512、SAO 83768、HR 5709,是北冕座的一颗恒星[1][2],视星等为5.51,位于银经46.21,银纬57.33,其B1900.0坐标为赤经15h 16m 0.2s,赤纬+29° 57.33′ 44″。
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