| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/10 | 6 | 30 | DAO | S08E60 | |
| 2023/09/11 | 5 | 50 | DAO | S08E45 | |
| 2023/09/12 | 5 | 30 | CRO | S07E33 | |
| 2023/09/13 | 4 | 20 | HRX | S08E19 | |
| 2023/09/14 | 2 | 20 | HRX | S08E05 | |
| 2023/09/15 | 1 | 10 | AXX | S08W09 | |
| 2023/09/17 | 1 | 0 | AXX | S14W38 |
| C | M |
|---|---|
| 6 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.1 | 2023/09/11 | 03:58 | 04:07 | 04:15 | |
| 2 | M1.1 | 2023/09/11 | 14:38 | 14:49 | 14:59 | |
| 3 | C9.2 | 2023/09/11 | 05:54 | 06:01 | 06:05 | |
| 4 | C7.1 | 2023/09/11 | 05:34 | 05:42 | 05:46 | |
| 5 | C6.7 | 2023/09/11 | 06:10 | 06:17 | 06:25 | |
| 6 | C4.5 | 2023/09/12 | 05:33 | 05:43 | 05:51 | |
| 7 | C3.9 | 2023/09/10 | 21:25 | 21:38 | 21:47 | |
| 8 | C3.7 | 2023/09/11 | 11:21 | 11:27 | 11:36 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |