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◀ December 2010 ▶
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Jul 2, 2026 Active region 4478 observed on the Sun has become the second largest in a decade.
Jul 1, 2026 A high-level X-ray flare has been registered on the Sun
Jun 30, 2026 Active region 4478

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Geomagnetic activity forecast in Arkhangelsk — Dec 30, 2010

Dec 30, 2010 Arkhangelsk

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