Viewing archive of Sunday, 17 October 2010
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 61 13 | 1 1 | B1.0 | C1.73 | 2 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| 1112 | B1.5 | 00:08 | 00:11 | 00:13 |
| 1112 | B4.5 | 00:26 | 00:34 | 00:38 |
| 1112 | B1.7 | 08:26 | 08:30 | 08:33 |
| 1112 | C1.7 | 08:52 | 08:59 | 09:08 |
| 1112 | B7.7 | 10:26 | 10:58 | 11:05 |
| 1112 | B2.3 | 13:23 | 13:28 | 13:35 |
| 1112 | C1.6 | 17:30 | 17:39 | 17:44 |
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
- Space Environment Monitor (SEM) 'Triggers' for Earthquake Alert Proxy 63
- Helio-Casting; Unlocking Solar Secrets, by 'theartist' 6
- Solar Cycle 'Rosetta Stone' Has Been Found!?! 10
- Changelog/Featurelog 94
- Is the sun abnormally bright at the moment? 12
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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: | 11 | |
| Current stretch spotless days: | 10 | |