大犬座HQ,又名CD-26 4223,HD 57593、SAO 173522、HR 2800,是大犬座的一颗恒星[1][2],视星等为6.01,位于银经240.2,银纬-6.03,其B1900.0坐标为赤经7h 16m 51.3s,赤纬-26° -6.03′ 34″。
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