Viewing archive of Sunday, 20 April 2003

Sunspot numberNew regionsBackground fluxMaximum fluxC
93 241B2.3C4.451

Solar flares

RegionStartMaximumEnd
-B7.6 02:1702:2402:29
-B6.2 03:0703:1203:19
-B6.1 17:5918:0218:06
0339C4.4 19:1819:2319:28
-B4.8 22:5823:0123:05

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/07/10Kp5 (G1)
Number of spotless days in 2019:128
Current stretch spotless days:11

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