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The Extreme Solar Activity during October–November 2003
Sunspots rotation flare extreme activity
2010/9/17
The positional measurements of sunspots from the Kodaikanal Observatory and Solar Geophysical data are used to study the association between occurrence of the abnormal activities of big sunspot groups...
The Extreme Solar Activity during October–November 2003
Sunspots rotation flare extreme activity
2009/5/7
The positional measurements of sunspots from the Kodaikanal Observatory and Solar Geophysical data are used to study the association between occurrence of the abnormal activities of big sunspot groups...