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◀ September 2010 ▶
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02.07.2026 Active region 4478 observed on the Sun has become the second largest in a decade
01.07.2026 A high-level X-ray flare has been registered on the Sun
30.06.2026 Active region 4478

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Geomagnetic storm forecast for Smolensk — September 21, 2010

21.09.2010 Smolensk

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