| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/02/09 | 5 | 10 | BXO | S17E54 | |
| 2023/02/10 | 6 | 30 | CRO | S07E41 | |
| 2023/02/11 | 4 | 30 | CRO | S07E27 | |
| 2023/02/12 | 3 | 20 | HRX | S07E13 | |
| 2023/02/13 | 2 | 10 | AXX | S07W01 | |
| 2023/02/14 | 1 | 5 | AXX | S07W16 | |
| 2023/02/15 | 1 | 5 | AXX | S06W27 | |
| 2023/02/16 | 3 | 10 | AXX | S06W41 | |
| 2023/02/17 | 3 | 10 | AXX | S06W56 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.4 | 2023/02/10 | 09:00 | 09:06 | 09:11 |
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/19 | M1.2 |
| Last geomagnetic storm | 2026/01/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 100.6 -23.4 |
| Last 30 days | 106.1 -0.7 |