Viewing archive of Sunday, 19 September 2004

Sunspot numberNew regionsBackground fluxMaximum fluxCM
42 -80B1.4M1.9721

Solar flares

RegionStartMaximumEnd
0673B5.0 00:0600:1200:19
0672B6.6 07:5307:5908:06
0672C3.8 10:1611:4812:13
0672M1.9 16:4617:1217:39
-C1.9 20:5221:1521:32

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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 2019:211
Current stretch spotless days:13

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