M5.6-class eruption from sunspot AR2151, not earth directed. - TopicsExpress



          

M5.6-class eruption from sunspot AR2151, not earth directed. August 24th at 12:17 UTC A pulse of extreme UV radiation from the explosion partially ionized our planets upper atmosphere, resulting in a Sudden Ionospheric Disturbance (SID). Waves of ionization altered the normal propagation of VLF (very low frequency) radio transmissions over the the dayside of Earth, an effect recorded at the Polarlightcenter in Lofoten, Norway spaceweather/
Posted on: Mon, 25 Aug 2014 12:42:29 +0000

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