| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/04/13 | 3 | 60 | CAO | N11E66 | |
| 2023/04/14 | 8 | 280 | DKO | N10E51 | |
| 2023/04/15 | 17 | 400 | DKI | N11E43 | |
| 2023/04/16 | 17 | 530 | EKI | N11E25 | |
| 2023/04/17 | 21 | 390 | EKI | N11E11 | |
| 2023/04/18 | 16 | 410 | EKI | N11W03 | |
| 2023/04/19 | 11 | 530 | FHO | N12W18 | |
| 2023/04/20 | 23 | 380 | FHI | N12W30 | |
| 2023/04/21 | 19 | 410 | FKI | N11W42 | |
| 2023/04/22 | 12 | 320 | FKI | N11W56 | |
| 2023/04/23 | 8 | 300 | FKI | N12W70 | |
| 2023/04/24 | 6 | 270 | EKO | N12W83 | |
| 2023/04/25 | 6 | 270 | EKO | N12W97 |
| C | M |
|---|---|
| 25 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.5 | 2023/04/14 | 23:18 | 23:27 | 23:31 | |
| 2 | M1.1 | 2023/04/14 | 16:10 | 16:18 | 16:25 | |
| 3 | C7.0 | 2023/04/15 | 09:05 | 09:14 | 09:18 | |
| 4 | C6.9 | 2023/04/14 | 12:44 | 12:55 | 13:05 | |
| 5 | C6.8 | 2023/04/17 | 14:17 | 14:31 | 14:40 | |
| 6 | C6.2 | 2023/04/14 | 20:39 | 20:45 | 20:51 | |
| 7 | C5.2 | 2023/04/14 | 16:44 | 16:59 | 17:08 | |
| 8 | C5.2 | 2023/04/15 | 08:43 | 08:52 | 08:58 | |
| 9 | C5.1 | 2023/04/14 | 20:57 | 21:01 | 21:05 | |
| 10 | C4.4 | 2023/04/14 | 19:51 | 19:56 | 20:00 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |