| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/02/12 | 1 | 60 | HSX | N18E69 | |
| 2001/02/13 | 1 | 60 | HAX | N18E56 | |
| 2001/02/14 | 2 | 60 | HSX | N18E43 | |
| 2001/02/15 | 2 | 60 | HSX | N18E30 | |
| 2001/02/16 | 1 | 70 | HSX | N18E16 | |
| 2001/02/17 | 1 | 60 | HSX | N18E04 | |
| 2001/02/18 | 1 | 80 | HSX | N18W09 | |
| 2001/02/19 | 1 | 70 | HSX | N18W23 | |
| 2001/02/20 | 1 | 50 | HSX | N18W36 | |
| 2001/02/21 | 1 | 60 | HSX | N19W50 | |
| 2001/02/22 | 1 | 40 | HSX | N19W62 | |
| 2001/02/23 | 1 | 50 | HSX | N18W76 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.5 | 2001/02/14 | 05:52 | 06:18 | 06:38 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 79.2 +1 |
| Last 30 days | 75.6 -9.1 |