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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Space weather facts

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
Last spotless day:2018/06/11

This day in history*

Solar flares
11999M2.9
22015M1.0
32000C6.2
42001C5.7
51999C5.5
ApG
1199520G1
2199814G1
3199414
4201311
5200311
*since 1994

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