Viewing archive of Saturday, 20 July 2002
| Sunspot number | New regions | Background flux | Maximum flux | C | X |
|---|---|---|---|---|---|
| 136 -12 | 0 | C1.3 | X3.32 | 3 | 1 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | C4 | 02:50 | 03:00 | 03:10 |
| 0030 | C9.6 | 12:37 | 12:42 | 12:44 |
| 0039 | C2.7 | 13:23 | 13:27 | 13:33 |
| 0039 | X3.3 Play | 21:04 | 21:30 | 21:54 |
Latest news
Monday, 18 November 2019 - 20:12 UTC
Coronal hole faces Earth
Wednesday, 13 November 2019 - 18:02 UTC
Cycle 25 sunspot region, Coronal hole faces Earth
Tuesday, 22 October 2019 - 14:34 UTC
Coronal hole faces Earth, G1 watch
Latest forum messages
- Is the sun abnormally bright at the moment? 8
- Stereo-A malfunction? 6
- Solar Cycle 25 Forecasting 8
- Synoptic Magnetograms; SC24 Minimum Forecasting 21
- Ap & aa Indices and Solar Minimum 21
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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: | 245 | |
| Current stretch spotless days: | 18 | |