飛馬座31,又名BD+11 4784,HD 212076、SAO 107854、HR 8520,是飛馬座的一顆恆星[1][2],視星等為5.01,位於銀經75.27,銀緯-36.43,其B1900.0坐標為赤經22h 16m 35.7s,赤緯+11° -36.43′ 5″。
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