Viewing archive of Monday, 16 May 2011
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 63 9 | 1 | B1.4 | B5.73 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| 1208 | B5.7 | 10:31 | 10:40 | 10:49 |
| 1214 | B3.5 | 22:11 | 22:19 | 22:27 |
| 1214 | B3 | 23:19 | 23:23 | 23:27 |
Latest news
Wednesday, 1 January 2020 - 00:00 UTC
Happy New Year!
Tuesday, 10 December 2019 - 18:50 UTC
Official Solar Cycle 25 Forecast Update
Monday, 9 December 2019 - 21:40 UTC
Welcome GOES-16!
Latest forum messages
- Solar Cycle 'Rosetta Stone' Has Been Found!?! 4
- Space Environment Monitor (SEM) 'Triggers' for Earthquake Alert Proxy 62
- Is the sun abnormally bright at the moment? 11
- Helio-Casting; Unlocking Solar Secrets, by 'theartist' 3
- First spotless day versus Solar minimum 16
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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 2020: | 9 | |
| Current stretch spotless days: | 7 | |