| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/10/09 | 1 | 40 | HSX | N23E70 | |
| 2001/10/10 | 3 | 40 | CSO | N23E58 | |
| 2001/10/11 | 6 | 30 | CSO | N23E44 | |
| 2001/10/12 | 7 | 30 | DSO | N19E23 | |
| 2001/10/13 | 4 | 30 | DSO | N23E18 | |
| 2001/10/14 | 1 | 10 | HSX | N22E04 | |
| 2001/10/15 | 1 | 10 | AXX | N22W10 |
| C | M |
|---|---|
| 4 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.01 | 2001/10/09 | 07:24 | 07:41 | 07:50 | |
| 2 | C6.48 | 2001/10/11 | 04:12 | 04:25 | 04:39 | |
| 3 | C3.55 | 2001/10/09 | 22:03 | 22:07 | 22:10 | |
| 4 | C3.16 | 2001/10/10 | 19:20 | 19:30 | 19:38 | |
| 5 | C2.98 | 2001/10/12 | 04:18 | 04:21 | 04:24 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |