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X-class flares

SIDC Sunspot Group 523 (NOAA Active Region 4114) produced an X1.2 flare on 17 June and an X1.9 flare late on 19 June. No coronal mass ejection seems to have been associated with these flares. ***UPDATED (1)***

Arrived...

A severe geomagnetic storm is currently (1 June) in progress following the arrival of an interplanetary coronal mass ejection launched early on 31 May. (UPDATED)