天鹅座CP,又名BD+44 3889,HD 205939、SAO 51109、HR 8272,是天鹅座的一颗恒星[1][2],视星等为6.2,位于银经90.59,银纬-5.65,其B1900.0坐标为赤经21h 33m 37.8s,赤纬+44° -5.65′ 51″。
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