三角座12,又名BD+29 417,HD 15257、SAO 75382、HR 717,是三角座的一颗恒星[1][2],视星等为5.29,位于银经146.86,银纬-28.67,其B1900.0坐标为赤经2h 22m 18s,赤纬+29° -28.67′ 23″。
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