Viewing archive of Thursday, 17 May 2012

Sunspot numberNew regionsBackground fluxCM
114 -80B6.551

Solar flares

RegionStartMaximumEnd
1476M5.1 01:2501:4702:14
-C1.1 11:5011:5412:00
1476C1.3 18:5219:0219:37
-C1.4 19:4719:5820:17
1476C1.3 21:1721:3221:44
1476C1.3 22:4523:0323:25

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:14
Current stretch spotless days:15

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