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 |
Latest news
Tuesday, 10 December 2019 - 18:50 UTC
Official Solar Cycle 25 Forecast Update
Monday, 9 December 2019 - 21:40 UTC
Welcome GOES-16!
Monday, 18 November 2019 - 20:12 UTC
Coronal hole faces Earth
Latest forum messages
- Ap & aa Indices and Solar Minimum 57
- Synoptic Magnetograms; SC24 Minimum Forecasting 24
- Like 'tuning a radio'... 1
- Solar minimum is now? 2
- Strange "Wave" Phenomenon on the Sun 13
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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: | 2019/10/26 | Kp5 (G1) |
| Number of spotless days in 2019: | 269 | |
| Current stretch spotless days: | 42 | |