19.0511.Integralnaya solar activity is low. According to the Institute of Applied Geophysics Roshydromet for May 18 on the Sun observed five small groups of spots.
"Most interesting is the group of spots 1218, which goes from the eastern limb, for the last day to register most outbreaks, — the organization said. — In 1208 a group of spots, which call for the western limb, was registered about two-hour class flare S2.0. " The dramatic increase in X-ray devices stirred GOES-15 satellite at 22:02 GMT. Maximum flow came in 22:30, and ended at 23:50 flash.
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