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来自维基百科,自由的百科全书
大熊座66,又名BD+57 1343,HD 103605、SAO 28191、HR 4566,是大熊座的一颗恒星[1][2],视星等为5.84,位于銀經137.73,銀緯58.91,其B1900.0坐标为赤經11h 50m 45s,赤緯+57° 58.91′ 18″。
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