Viewing archive of Saturday, 18 May 2013

Sunspot numberNew regionsBackground fluxMaximum fluxC
146 -520B4.8C6.0335

Solar flares

RegionStartMaximumEnd
1748C6.0 03:3003:4503:56
1743C1.2 05:0505:1805:31
1752C1.3 06:3206:5607:09
-B9.7 08:2708:3508:41
1748C1.1 18:1218:2218:25
-C2.9 20:1621:1821:55

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:159
Current stretch spotless days:16

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