| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/02/10 | 2 | 30 | CRO | N35W64 | |
| 2023/02/11 | 4 | 30 | DAO | N29W80 | |
| 2023/02/12 | 3 | 40 | DAO | N29W93 | |
| 2023/02/13 | 3 | 40 | DAO | N30W0* |
| C | M |
|---|---|
| 3 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.5 | 2023/02/11 | 11:25 | 11:34 | 11:41 | |
| 2 | M1.2 | 2023/02/12 | 13:23 | 13:34 | 13:45 | |
| 3 | C6.1 | 2023/02/12 | 17:15 | 17:24 | 17:37 | |
| 4 | C5.6 | 2023/02/12 | 19:56 | 20:06 | 20:17 | |
| 5 | C5.0 | 2023/02/12 | 04:56 | 05:02 | 05:09 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 145.5 +66.2 |
| Last 30 days | 91 -4.3 |