上衛 (左垣)
来自维基百科,自由的百科全书
来自维基百科,自由的百科全书
上衛(左垣)也称天龍座73、紫微左垣六,又名BD+74 872,HD 196502、SAO 9802、HR 7879,是天龍座的一颗恒星[1][2],视星等为5.2,位于銀經108.43,銀緯20.04,其B1900.0坐标为赤經20h 32m 49.8s,赤緯+74° 20.04′ 43″。
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