この黒点 4366は、これまで X1.0、X8.1、X2.8、X1.6、X1.5 の 5回のXフレアを発生させています。
Five X-Flares thus far (X1.0, X8.1, X2.8, X1.6, X1.5), yet as Earth bullseye approaches in just hours AR4366 is still 100% locked and loaded with plasma and could launch a truly mind-bending solar storm straight at us. pic.twitter.com/DPthWanMEg
— Stefan Burns (@StefanBurnsGeo) February 3, 2026