巨蟹座X,又名BD+17 1973,HD 76221、SAO 98230、HR 3541,是巨蟹座的一颗恒星[1][2],视星等为6.64,位于银经210.18,银纬34.94,其B1900.0坐标为赤经8h 49m 44.9s,赤纬+17° 34.94′ 43″。
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