Powerful M-Class flare ejected from the Sun – July 2, 2012 ionization over Europe !!!!
July 2, 2012 – SPACE - ALMOST X-FLARE: Big sunspot AR1515 erupted on July 2nd at 10:52 UT, producing an M5.6-class solar flare that almost crossed the threshold into X-territory. A pulse of x-rays and UV radiation from the flare illuminated Earth’s upper atmosphere, producing waves of ionization over Europe