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M6.7 coronal mass ejection

Today at 00:29 UTC we saw a surprise M6.7 solar flare from sunspot region 2529. It was an eruptive event and a coronal mass ejection was launched into space. Be sure to read the news article that we released earlier today for more information.

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M6.7 solar flare

After almost silently transiting the Earth-facing solar disk it didn't look like sunspot region 2529 had the capacity to let loose a strong solar flare. Today at 00:29 UTC it showed that it was a deceiving silence as it found the energy to produce the strongest solar flare of 2016 thus far: M6.72.

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:219
Current stretch spotless days:21

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