The second M-class solar flare occurred today off the northeast limb at 17:20 UTC. It was measured as low-level M1.0 flare. The M1 flare was accompanied by a short duration Tenflare (10 cm Radio Burst) at levels of 140 sfu. It is a second M-class solar flare originating from new active region off northeastern limb.
M2.4 solar flare was observed today at 13:19 UTC at the same vicinity. A coronal mass ejection was later observed in LASCO C3 imagery emerging from the northeastern limb at 13:54 UTC. New region 1547 (N05E21) was numbered today and classified as a Cso type group with beta magnetic characteristics.
Region 1543 (N24W59) remained the largest group on the disk and was classified as a Cko type group with beta magnetic characteristics.
speed: 370.7 km/sec
density: 0.1 protons/cm3
The Radio Sun
10.7 cm flux: 98 sfu
Now: Kp= 1 quiet
24-hr max: Kp= 4 unsettled
Interplanetary Mag. Field
Btotal: 3.2 nT
Bz: 2.2 nT south
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