Viewing archive of Tuesday, 20 October 2015

Sunspot numberNew regionsBackground fluxMaximum fluxC
77 -170B4.3C1.674

Solar flares

RegionStartMaximumEnd
2437C1.2 03:5604:0404:16
2436C1.0 04:5805:0105:03
2436C1.0 07:2407:2707:29
2436B7.6 12:2612:2912:31
2436B8.5 13:2313:2613:28
2437C1.1 13:5613:5914:01

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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 2019:129
Current stretch spotless days:12

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