| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/28 | 2 | 10 | BXO | N17E47 | |
| 2001/01/29 | 2 | 0 | BXO | N14E32 | |
| 2001/01/30 | 1 | 0 | AXX | N14E18 | |
| 2001/01/31 | 9 | 50 | DAO | N18E06 | |
| 2001/02/01 | 16 | 50 | DAO | N18W07 | |
| 2001/02/02 | 11 | 50 | DAO | N18W21 | |
| 2001/02/03 | 4 | 30 | DSO | N17W36 | |
| 2001/02/04 | 5 | 40 | DAO | N18W47 | |
| 2001/02/05 | 5 | 50 | CAO | N17W62 | |
| 2001/02/06 | 1 | 10 | HRX | N19W73 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.86 | 2001/02/05 | 16:44 | 16:52 | 17:00 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 112.1 -0.5 |
| Last 30 days | 128.2 +28 |