| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/02/12 | 2 | 10 | AXX | N18E26 | |
| 2011/02/13 | 4 | 10 | BXO | N19E09 | |
| 2011/02/14 | 3 | 20 | CSO | N19W01 | |
| 2011/02/15 | 2 | 10 | BXO | N19W14 | |
| 2011/02/16 | 2 | 5 | AXX | N19W28 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.76 | 2011/02/12 | 14:30 | 15:06 | 15:21 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | 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 | 81.4 +3.2 |
| Last 30 days | 80 -0.8 |