双子座56,又名BD+20 1775,HD 57423、SAO 79328、HR 2795,是双子座的一颗恒星[1][2],视星等为5.1,位于银经197.63,银纬15.66,其B1900.0坐标为赤经7h 16m 2.8s,赤纬+20° 15.66′ 57″。
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