Viewing archive of Friday, 13 June 2003

Sunspot numberNew regionsBackground fluxMaximum fluxCM
149 -190 -1C2.1M3.1133

Solar flares

RegionStartMaximumEnd
-M3.1 01:5402:0402:13
0375M1.7 04:3104:3704:43
0375M1.8 06:2806:4507:19
-C4.4 16:1816:2316:30
-C4.6 17:3017:3417:36
-C8.7 20:1220:3421:07

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:191
Current stretch spotless days:21

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