雙子座56,又名BD+20 1775,HD 57423、SAO 79328、HR 2795,是雙子座的一顆恆星[1][2],視星等為5.1,位於銀經197.63,銀緯15.66,其B1900.0坐標為赤經7h 16m 2.8s,赤緯+20° 15.66′ 57″。
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