離宮五(飛馬座τ),又名BD+22 4810,HD 220061、SAO 91186、HR 8880,是飛馬座的一顆恆星[1][2],視星等為4.6,位於銀經97.51,銀緯-34.61,其B1900.0坐標為赤經23h 15m 41.1s,赤緯+23° -34.61′ 35″。
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