New M6.6 Solar Flare

Posted February 13, 2011 by User 1

After a period of decline at the end of 2010, solar activity is on the rise again. At approximately 17:38 UT on February 13, 2011, a class M6.6 flare occurred on the sun from large sunspot 1158: (below of center in image) This is the largest Earth-directed flare of Solar Cycle 24 which officially began at the end of 2008.

As this flare is Earth directed, a Coronal Mass Ejection (CME) released by the flare would be geo-effective. Whether or not one was released will be known in the coming hours as data from SOHO and the Stereo satellites become available.

A profile of the flare:
As seen by NASA's SDO satellite:


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