Viewing archive of Saturday, 13 September 2003

Sunspot numberNew regionsBackground fluxMaximum fluxC
57 -11 1B1.9C2.281

Solar flares

RegionStartMaximumEnd
-B3.8 00:3900:4600:57
-B4.5 02:5002:5302:55
-B3.5 06:4406:4706:49
0456B8.8 06:5407:0507:15
0456C2.2 07:3207:4207:52

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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 2019:163
Current stretch spotless days:18

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