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December : 2010
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Diary

Jan 16, 2026 A million-kilometer-wide coronal hole has formed on the Sun.
Jan 15, 2026 The second M-flare of the year occurred on the Sun last night.
Jan 13, 2026 Geomagnetic activity in the coming year is growing, exceeding the previous record year.

Diary's archive

Geomagnetic activity forecast in Jayapura — Dec 21, 2010

Dec 21, 2010 Jayapura

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