Viewing archive of Sunday, 21 February 1999

Sunspot numberNew regionsBackground fluxCM
103 -151B5.921

Solar flares

Region Start Maximum End
- B9.1 05:28 05:36 05:43
- C8.6 09:38 09:50 10:01
8462 M1.3 13:03 13:45 14:08
- C1.6 22:02 22:10 22:30
- B9.0 23:41 23:47 23:56

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/09/22Kp5 (G1)
Number of spotless days in 2018:153
Current stretch spotless days:13

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