Viewing archive of Wednesday, 15 December 1999
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | C1.2 | 12:17 | 12:21 | 12:23 |
| 8798 | C2.5 | 14:12 | 14:17 | 14:19 |
| 8798 | C1.3 | 15:20 | 15:24 | 15:27 |
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Saturday, 14 September 2019 - 12:30 UTC
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Wednesday, 28 August 2019 - 17:14 UTC
Coronal hole faces Earth, Strange solar wind data?
Sunday, 25 August 2019 - 10:41 UTC
Coronal hole faces Earth
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- Article proposing new physics in the solar cycle 6
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- Effects of the Maunder Minimum on Earth 7
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2019/09/02 | Kp5 (G1) |
| Number of spotless days in 2019: | 191 | |
| Current stretch spotless days: | 21 | |