Viewing archive of Friday, 1 September 2017

Sunspot numberNew regionsBackground fluxMaximum fluxC
62 30 -1B2.4C2.063

Solar flares

RegionStartMaximumEnd
2674B4.9 01:2601:2901:32
2674B3.4 02:0702:1202:24
2674B4.6 06:3006:3706:48
2674B7.1 09:3709:4309:52
2674B3.7 10:2510:2810:30
-B4.8 15:0415:0715:09
-B5.1 15:1015:1315:15
2674C2.0 15:3115:3715:41
-C1.2 17:0817:1417:19
2674B8.0 17:3217:3517:38
2674B5.4 20:5821:0221:06
2674B4.6 21:5722:0022:09
2674C1.4 23:4423:5123:59

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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 2019:211
Current stretch spotless days:13

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