Viewing archive of Tuesday, 17 January 2012

Sunspot numberNew regionsBackground fluxMaximum fluxCM
152 321 -1B5.2M1.080531

Solar flares

RegionStartMaximumEnd
1401M1.0 04:4104:5305:07
1401C1.4 17:1917:2317:25
1401C2.2 18:3218:3718:40
1401C1.0 23:5323:5700:03

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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 2019:210
Current stretch spotless days:12

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