| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/05/11 | 7 | 40 | DRO | S08E18 | |
| 2005/05/12 | 12 | 80 | DAI | S11E04 | |
| 2005/05/13 | 11 | 130 | DAO | S12W12 | |
| 2005/05/14 | 13 | 150 | DSO | S12W24 | |
| 2005/05/15 | 13 | 90 | DAO | S12W37 | |
| 2005/05/16 | 6 | 60 | DAO | S13W53 | |
| 2005/05/17 | 1 | 30 | HSX | S12W68 |
| B | C |
|---|---|
| 1 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.57 | 2005/05/11 | 12:54 | 13:08 | 13:16 | |
| 2 | B3.76 | 2005/05/17 | 22:13 | 22:32 | 22:37 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 109.4 +22.7 |