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怎样在冬季星空找到猎户座

更新时间: 2020-09-21 00:00:00     

猎户座最佳观测日期为十二月上旬至四月上旬。出现时自东南方升起,经天顶后由西南方落下。猎户座α及β极亮,在一般无云的夜空即可轻易见到,但由于冬季夜空亮星颇多,要辨认出猎户座还须其它星补助,通常利用排成一直线的腰带三星当其辨别指针。此三颗星亮度在1、7到2、4之间,在光害不大的天空易清晰可见,α及β两星位于腰带之中垂线北南两端,找出后在α的西方及β的东方再找出γ及κ两星,整个猎户轮廓已呼之欲出了!

关键词: 怎样 冬季 星空 找到 猎户座

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