Sunspot 1158 Produces Largest Flare of Solar Cycle 24; CME Headed Toward Earth
Over the past few days, there has been a lot of activity on the Sun. On Sunday, February 13 at 1738 UTC, sunspot 1158 unleashed an M6.6-level blast and on Tuesday, February 15, the same sunspot unleashed an X-class flare, the strongest solar flare in more than four years. On Monday, the solar flux index reached 113, the highest yet in Solar Cycle 24, dropping down to 112 for Tuesday. It is expe…
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