Viewing archive of Tuesday, 22 May 2007

Sunspot numberNew regionsBackground fluxMaximum flux
14 -10A0.0B3.93

Solar flares

RegionStartMaximumEnd
-B1.1 06:3706:4006:42
-B1.0 06:4406:4706:50
-B3.9 14:3014:4715:19
0956B2.7 23:1723:2523:29

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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 2019:215
Current stretch spotless days:17

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