Viewing archive of Friday, 20 October 2017

Sunspot numberNew regionsBackground fluxM
00A6.61

Solar flares

Region X-ray Start Maximum End
- B1.4 00:06 00:49 01:01
- B3.4 13:52 14:03 14:09
- B3.9 22:45 22:53 22:58
2685 M1.0 23:10 23:28 23:36

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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:2018/04/20Kp6 (G2)
Number of spotless days in 2018:65
Last spotless day:2018/04/18

This day in history*

Solar flares
12003M3.3
22001M3.1
32001M2.3
42001M2.1
52001M1.8
ApG
1201241G3
2199835G2
3200327G1
4199526G1
5201324G1
*since 1994

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