Sunspots catalogues, 1853-1870
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In the 19th century, several astronomers observed sunspots obtaining their positions and, occasionaly, their areas. These observations were published in large tables that have...
19世纪，数位天文学家观测太阳黑子，记录其位置，部分观测还顺带记录了黑子的面积。上述观测结果以大型表格的形式公开发表，此类表格包含……
