Viewing archive of Monday, 20 August 2001

Sunspot numberNew regionsBackground fluxMaximum fluxC
172 302 1B8.1C3.624

Solar flares

RegionStartMaximumEnd
9585C1.2 02:5003:0203:16
9582C2 05:1605:2505:34
9582C3.6 08:1708:2208:25
-C2.3 19:1919:3721:02

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:11
Current stretch spotless days:9

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*since 1994

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