Viewing archive of Thursday, 22 September 2005

Sunspot numberNew regionsBackground fluxMaximum flux
28 90A5.9B4.95

Solar flares

RegionStartMaximumEnd
-B4.9 01:2801:3401:39
-B3.5 01:4101:4501:48
-B3.5 06:4207:3308:18
-B1.2 14:2714:3114:35
-B1.2 16:4116:4416:48
-B1.6 17:0317:0617:09

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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 2019:246
Current stretch spotless days:20

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