Viewing archive of Thursday, 17 January 2002

Sunspot numberNew regionsBackground fluxC
122 -91C1.87

Solar flares

Region Start Maximum End
- C3.9 01:07 01:16 01:24
9775 C2.9 02:13 02:16 02:21
9775 C4.2 03:06 03:12 03:18
- C3.0 04:32 04:35 04:37
- C3.1 05:17 05:21 05:25
- C2.5 11:42 11:46 11:52
9783 C2.4 12:08 12:15 12:18

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/06/18Kp5 (G1)
Number of spotless days in 2018:85
Current stretch spotless days:2

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