16:20 UT, 3B/X1.0, AR 9684 (N06 W18), halo CME, GLE, J(>10 MeV)~3000 p.f.u., Dst~-300 nT
General picture ; GOES soft X-rays ; Yohkoh/SXT: from sigmoid to arcade Protons ; Geomagnetic storm ; GLE and Forbush decrease H-alpha Halo CME CORONAS, 171 Å ; 11:01 and 17:03 UT ; 11:01 and 20:13 UT
Protons ; Geomagnetic storm ; GLE and Forbush decrease
H-alpha
Halo CME
CORONAS, 171 Å ; 11:01 and 17:03 UT ; 11:01 and 20:13 UT
CORONAS, 304 Å ; 11:01 and 17:03 UT ; 11:01 and 20:13 UT