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September : 2010
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Diary

Jan 18, 2026 The Sun experienced its first X-ray flare of the year.
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.

Diary's archive

Geomagnetic activity forecast in San Marino — Sep 04, 2010

Sep 4, 2010 San Marino

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