Viewing archive of Thursday, 17 October 2013

Sunspot numberNew regionsBackground fluxCM
166 463 2B8.651

Solar flares

Region Start Maximum End
- C4.7 03:20 03:28 03:35
1861 C1.2 06:07 06:12 06:17
1861 C5.8 10:25 10:32 10:37
1861 C4.8 11:47 12:04 12:15
1861 M1.2 15:09 15:41 15:58
- C1.6 22:18 22:24 22:32

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/07/05Kp5 (G1)
Number of spotless days in 2018:104
Current stretch spotless days:20

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