| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/30 | 2 | 100 | HSX | N11E73 | |
| 1999/12/31 | 2 | 110 | HAX | N10E60 | |
| 2000/01/01 | 2 | 130 | HAX | N10E47 | |
| 2000/01/02 | 3 | 180 | HHX | N10E34 | |
| 2000/01/03 | 3 | 150 | HAX | N10E21 | |
| 2000/01/04 | 4 | 140 | CAO | N11E08 | |
| 2000/01/05 | 2 | 100 | HAX | N12W06 | |
| 2000/01/06 | 5 | 90 | CSO | N11W19 | |
| 2000/01/07 | 4 | 80 | CSO | N12W33 | |
| 2000/01/08 | 3 | 60 | HSX | N11W47 | |
| 2000/01/09 | 6 | 40 | CSO | N11W60 | |
| 2000/01/10 | 1 | 0 | AXX | N11W72 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.15 | 2000/01/01 | 20:13 | 20:16 | 20:20 |
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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 | 110.4 +23.9 |