Sunspot region AR13963
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/01/15 | 5 | 20 | CAO | N24E06 | |
| 2025/01/16 | 2 | 10 | BXO | N24W08 |
2025/01/15
2025/01/16
|
2025/01/15
2025/01/16
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13963
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.8 | 2025/01/15 | 23:08 | 23:12 | 23:19 | |
| 2 | C3.7 | 2025/01/16 | 03:02 | 03:07 | 03:11 |
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
Current Farside Activity 387Solar Transit, Artifacts, or Radiation 80Changelog/Featurelog 178What, no CH/HSS thread? 52AR4374 20
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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 | 106.5 -6.1 |
| Last 30 days | 124.3 +22.3 |