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    DOUBLE C-CLASS FLARE ERUPTION/CME (UPDATED): February 7th, 2013.

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    Skyywatcher88 .

    by Skyywatcher88 .

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    DOUBLE ERUPTION (UPDATED): Sunspot AR1667 erupted this morning (Feb. 6th at 00:21 UT), producing a double-peakedC8.7-class solar flare that lasted more than ten hours from beginning to end. The slowly-unfolding explosion also hurled two CMEs into space. The clouds are not heading directly for Earth, but they could deliver glancing blows to our planet's magnetic field on Feb. 9-10. High-latitude sky watchers should be alert for auroras this weekend.