| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/09 | 1 | 60 | HSX | N18E72 | |
| 2023/05/10 | 4 | 30 | CRO | N18E58 | |
| 2023/05/11 | 6 | 80 | CSO | N18E45 | |
| 2023/05/12 | 5 | 70 | CAO | N20E35 | |
| 2023/05/13 | 5 | 70 | CSO | N19E18 | |
| 2023/05/14 | 5 | 70 | CSO | N19E05 | |
| 2023/05/15 | 5 | 90 | DSO | N19W09 | |
| 2023/05/16 | 4 | 50 | HSX | N18W17 | |
| 2023/05/17 | 1 | 50 | HSX | N17W35 | |
| 2023/05/18 | 1 | 30 | HSX | N18W46 | |
| 2023/05/19 | 1 | 50 | HSX | N18W60 | |
| 2023/05/20 | 1 | 30 | HSX | N19W70 | |
| 2023/05/21 | 1 | 30 | HSX | N18W85 | |
| 2023/05/22 | 1 | 30 | HSX | N18W99 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 2023/05/12 | 19:04 | 19:10 | 19:14 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 140.8 +16.8 |
| Last 30 days | 124.4 +17 |