引发本次地磁暴和极光大爆发的罪魁祸首(首席功臣?)黑子群3664,就是图中4点钟位置那一坨,今天还能看到。没条件看极光的盆友们,看看它四舍五入也算是看到极光了。 切记要用巴德膜保护,不可用肉眼直视太阳,不可用相机/望远镜直接拍摄太阳! 图源自SDO/NASA。
https://weibo.com/5456131713/OdNb0CUnz
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