Viewing archive of Wednesday, 12 September 2001

Sunspot numberNew regionsBackground fluxMaximum fluxCM
228 481C1.9C9.6471

Solar flares

RegionStartMaximumEnd
-C3.5 00:5200:5600:59
-M1.0 04:3504:4404:52
9608C4.9 06:4506:4906:52
-C4.7 08:4409:1109:39
-C3.8 10:2810:3310:38
-C3.0 11:1611:1911:22
-C3.4 13:1413:1813:32
-C9.6 21:0521:4922:11

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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 2019:189
Current stretch spotless days:19

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