Viewing archive of Friday, 19 April 2013
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 101 15 | 3 3 | B2.5 | C1.15 | 2 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | C1.1 | 14:37 | 14:44 | 14:53 |
| - | C1 | 22:15 | 22:21 | 22:26 |
| 1726 | B6.3 | 23:09 | 23:12 | 23:14 |
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
- Solar Cycle 25 Forecasting 14
- How to determine "earth facing" things? 4
- Ap & aa Indices and Solar Minimum 50
- New Goes-16 readings 5
- Synoptic Magnetograms; SC24 Minimum Forecasting 23
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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: | 265 | |
| Current stretch spotless days: | 39 | |