| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/02/02 | 1 | 60 | HSX | N12E78 | |
| 2001/02/03 | 6 | 200 | ESO | N11E67 | |
| 2001/02/04 | 9 | 210 | ESO | N11E54 | |
| 2001/02/05 | 18 | 220 | EAI | N11E41 | |
| 2001/02/06 | 17 | 180 | EAI | N12E27 | |
| 2001/02/07 | 19 | 130 | EAO | N11E13 | |
| 2001/02/08 | 21 | 150 | EAO | N12W01 | |
| 2001/02/09 | 16 | 110 | EAI | N12W14 | |
| 2001/02/10 | 15 | 100 | ESI | N12W27 | |
| 2001/02/11 | 9 | 50 | EAO | N12W42 | |
| 2001/02/12 | 5 | 40 | CSO | N12W55 | |
| 2001/02/13 | 2 | 30 | CRO | N13W65 |
| C | M |
|---|---|
| 5 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.53 | 2001/02/03 | 23:48 | 00:06 | 00:20 | |
| 2 | C6.01 | 2001/02/12 | 20:21 | 20:37 | 20:53 | |
| 3 | C2.43 | 2001/02/04 | 02:35 | 02:53 | 03:26 | |
| 4 | C1.96 | 2001/02/04 | 23:08 | 23:13 | 23:19 | |
| 5 | C1.46 | 2001/02/04 | 12:42 | 12:45 | 12:50 | |
| 6 | C1.36 | 2001/02/05 | 02:22 | 02:26 | 02:28 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 157.7 +65.9 |
| Last 30 days | 108.1 +9.9 |