Articles tagged "proton event"

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Minor to Moderate Geomagnetic Storming possible at high latitudes

The Coronal Mass Ejection was caused by the large filament eruption late on August 31st.  Minor to Moderate Geomagnetic Storming will be possible at high latitudes, especially on September 3rd. Solar Radiation Storm levels have increased above the S1 (Minor)

September 02, 2012

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Behemoth sunspot 1263 has almost doubled in size

Behemoth sunspot 1263 has almost doubled in size this weekend. A 28-hour movie from NASA's Solar Dynamics Observatory shows the spot developing a tail that has added some 50,000 km of length to the active region.This development may increase the likelihood of a stro

August 08, 2011