| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/11 | 4 | 70 | DAO | S12E06 | |
| 1999/12/12 | 10 | 60 | DAO | S12W08 | |
| 1999/12/13 | 4 | 40 | DAO | S13W21 | |
| 1999/12/14 | 4 | 10 | BXO | S13W34 | |
| 1999/12/15 | 3 | 30 | DRO | S14W47 |
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| 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 | 123.7 +20 |