| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/02/04 | 5 | 100 | DAO | N09E68 | |
| 2001/02/05 | 9 | 130 | DAO | N08E52 | |
| 2001/02/06 | 11 | 80 | DAO | N08E40 | |
| 2001/02/07 | 13 | 100 | EAO | N09E28 | |
| 2001/02/08 | 15 | 100 | DAO | N10E14 | |
| 2001/02/09 | 11 | 70 | DSI | N09E01 | |
| 2001/02/10 | 9 | 60 | DAO | N09W13 | |
| 2001/02/11 | 2 | 30 | HSX | N11W29 | |
| 2001/02/12 | 2 | 0 | AXX | N11W43 | |
| 2001/02/13 | 1 | 10 | HRX | N11W55 |
| C | M |
|---|---|
| 3 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.19 | 2001/02/05 | 15:05 | 15:20 | 15:35 | |
| 2 | C1.79 | 2001/02/05 | 23:15 | 23:21 | 23:30 | |
| 3 | C1.6 | 2001/02/08 | 20:25 | 20:30 | 20:42 | |
| 4 | C1.49 | 2001/02/09 | 17:16 | 17:27 | 17:33 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |