R3 Flare from Region 3697 (former Region 3664 of early May)
Region 3697 (old region 3664 from early May) has survived solar rotation and produced a long-duration X1 (R3; Strong) flare the morning of 29 May.
Region 3697 (old region 3664 from early May) has survived solar rotation and produced a long-duration X1 (R3; Strong) flare the morning of 29 May.