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Coronal hole, Transit to Solar Cycle 25

A coronal hole is facing our planet today. It is a slim southern extension of the northern hemisphere polar coronal hole. The effects of this coronal hole could reach Earth on Monday (10 February) as a high speed solar wind stream could sweep past our planet and spark some more high latitude aurora displays.

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:40
Current stretch spotless days:25

This day in history*

Solar flares
12004X1.1
22004M5.7
32014M1.1
42000M1.0
52002C9.6
ApG
1200016
2199616
3200315
4199715
5199515
*since 1994

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