Viewing archive of Friday, 25 May 2001

Sunspot numberNew regionsBackground fluxMaximum fluxC
146 -250B4.6C5.247

Solar flares

RegionStartMaximumEnd
-C1.5 09:3309:3909:56
9468C1.2 11:1611:1911:23
9468C5.2 19:1219:3719:57
9468C2.8 22:0022:1022:23

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:217
Current stretch spotless days:19

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