Viewing archive of Friday, 13 March 2015

Sunspot numberNew regionsBackground fluxCM
87 312 1B4.862

Solar flares

RegionStartMaximumEnd
2297C2.0 01:0201:0701:13
2297M1.2 03:4704:0104:16
2297M1.8 05:4906:0706:12
2297C6.9 07:3207:3707:40
2297C1.6 10:5010:5410:59
2297C1.9 11:0711:2311:47
-C6.2 20:3620:4620:55
-C2.0 22:0722:1922:31

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/31Kp5 (G1)
Number of spotless days in 2019:32
Current stretch spotless days:18

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