Sunspot region AR8764
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/11 | 3 | 10 | BXO | N17W15 | |
| 1999/11/12 | 4 | 20 | BXO | N16W28 | |
| 1999/11/13 | 1 | 20 | HRX | N18W42 | |
| 1999/11/14 | 4 | 10 | BXO | N18W56 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8764
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.46 | 1999/11/13 | 12:31 | 12:46 | 12:57 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Incoming & Unnumbered Active Regions 169Solar Transit, Artifacts, or Radiation 85Current Farside Activity 396What, no CH/HSS thread? 54Changelog/Featurelog 178
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 103.9 -8.7 |
| Last 30 days | 121.7 +18 |