Viewing archive of Tuesday, 24 September 2013

Sunspot numberNew regionsBackground fluxMaximum fluxC
56 -90 -1B1.9C1.1361

Solar flares

RegionStartMaximumEnd
1850B8.1 02:0102:0902:15
1850B5.6 17:0617:1217:15
1850B9.9 18:5319:0619:19
1846C1.1 22:5022:5623:03

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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 2019:158
Current stretch spotless days:13

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*since 1994

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