Viewing archive of Sunday, 15 January 2012

Sunspot numberNew regionsBackground fluxMaximum fluxC
141 -41 -3B6.2C2.30915

Solar flares

RegionStartMaximumEnd
-C1.5 01:2301:3001:38
1391C2.3 02:0602:0902:13
1401C2.1 02:4802:5202:59
-C1.0 10:5711:0111:03
-C1.1 23:5623:5900:05

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:187
Current stretch spotless days:17

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