| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/17 | 9 | 10 | BXO | N18E40 | |
| 1999/10/18 | 6 | 40 | DSO | N18E22 | |
| 1999/10/19 | 6 | 30 | CSO | N19E09 | |
| 1999/10/20 | 4 | 20 | CRO | N19W06 | |
| 1999/10/21 | 3 | 10 | BXO | N18W19 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 135.3 +22.7 |
| Last 30 days | 129.4 +28.1 |