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Historical Spaceweather Viewer

Historical
Spaceweather
Viewer
1951-1998電波警報・宇宙天気予報の過去資料

Solar Activity Chart Slider太陽活動サイクルから検索

Monthly smoothed total sunspot number, 1950-2018
19 20 21 22 23 24
1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2018
data source: SILSO, Royal Observatory of Belgium, Brussels

1998年10月以降のチャート

2006年以降の予報レポート

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