| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/14 | 4 | 20 | BXO | N17E21 | |
| 2001/09/15 | 6 | 20 | CAO | N16E08 | |
| 2001/09/16 | 8 | 40 | DSO | N16W06 | |
| 2001/09/17 | 7 | 30 | CSO | N17W18 | |
| 2001/09/18 | 2 | 20 | CSO | N15W29 | |
| 2001/09/19 | 4 | 20 | CSO | N16W42 | |
| 2001/09/20 | 5 | 30 | DSO | N16W55 | |
| 2001/09/21 | 3 | 20 | BXO | N17W67 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |