| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/22 | 3 | 100 | DAO | S05E69 | |
| 2001/01/23 | 7 | 100 | DAO | S06E53 | |
| 2001/01/24 | 18 | 160 | DAO | S06E43 | |
| 2001/01/25 | 24 | 180 | DAI | S06E31 | |
| 2001/01/26 | 19 | 160 | DAO | S05E16 | |
| 2001/01/27 | 23 | 250 | DAO | S04E03 | |
| 2001/01/28 | 28 | 250 | DAI | S05W10 | |
| 2001/01/29 | 20 | 300 | DAO | S04W24 | |
| 2001/01/30 | 27 | 210 | EAI | S03W37 | |
| 2001/01/31 | 20 | 150 | EAI | S06W51 | |
| 2001/02/01 | 13 | 80 | EAO | S04W66 | |
| 2001/02/02 | 6 | 110 | DAO | S04W81 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.59 | 2001/01/24 | 07:16 | 07:27 | 07:37 | |
| 2 | C1.73 | 2001/01/27 | 07:32 | 07:51 | 07:56 | |
| 3 | C1.54 | 2001/01/28 | 07:08 | 07:11 | 07:13 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 144.3 +52.5 |
| Last 30 days | 107.5 +8.8 |