Viewing archive of Friday, 28 December 2001

Sunspot numberNew regionsBackground fluxCMX
263 -52C2.6331

Solar flares

Region Start Maximum End
- C6.5 01:23 01:27 01:32
9754 C4.2 02:34 02:40 03:07
9742 M4.7 03:42 03:51 03:56
9754 M1.0 06:47 06:55 07:06
9748 M1.3 12:10 12:30 12:59
9751 C8.2 18:46 18:53 19:02
9767 X3.4 Play 20:02 20:45 21:32

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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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