天龍座2,又名BD+70 670,HD 100696、SAO 15567、HR 4461,是天龍座的一顆恆星[1][2],視星等為5.2,位於銀經132.45,銀緯46.38,其B1900.0坐標為赤經11h 30m 11.3s,赤緯+69° 46.38′ 46″。
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