狮子座53,又名BD+11 2283,HD 93702、SAO 99305、HR 4227,是狮子座的一颗恒星[1][2],视星等为5.34,位于银经237,银纬56.82,其B1900.0坐标为赤经10h 44m 0s,赤纬+11° 56.82′ 28″。
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