| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/17 | 4 | 30 | CRO | N11E60 | |
| 2013/10/18 | 10 | 110 | CSO | N11E48 | |
| 2013/10/19 | 9 | 40 | CSO | N12E34 | |
| 2013/10/20 | 6 | 20 | CRO | N12E23 | |
| 2013/10/21 | 12 | 50 | DAO | N12E09 | |
| 2013/10/22 | 9 | 40 | DAO | N12W05 | |
| 2013/10/23 | 4 | 10 | AXX | N12W17 | |
| 2013/10/24 | 9 | 10 | AXX | N11W33 | |
| 2013/10/29 | 1 | 10 | HRX | N13W0* |
| C |
|---|
| 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.23 | 2013/10/27 | 17:24 | 17:29 | 17:34 | |
| 2 | C4.46 | 2013/10/26 | 22:29 | 22:35 | 22:40 | |
| 3 | C2.94 | 2013/10/26 | 15:45 | 15:49 | 15:53 | |
| 4 | C2.38 | 2013/10/20 | 18:09 | 18:48 | 19:07 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/27 | M5.1 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.9 +23.1 |
| Last 30 days | 113.2 +27.4 |