| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/12/05 | 3 | 0 | BXO | S18E36 | |
| 2011/12/06 | 4 | 15 | DAO | S18E22 | |
| 2011/12/07 | 3 | 10 | BXO | S18E09 | |
| 2011/12/08 | 4 | 10 | BXO | S26W03 | |
| 2011/12/09 | 3 | 30 | CSO | S26W15 | |
| 2011/12/11 | 1 | 10 | HSX | S18W47 | |
| 2011/12/12 | 4 | 10 | BXO | S18W61 | |
| 2011/12/14 | 1 | 20 | HRX | S18W89 |
| C | M |
|---|---|
| 17 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.01 | 2011/12/14 | 19:36 | 19:46 | 19:56 | |
| 2 | C8.43 | 2011/12/14 | 13:18 | 13:27 | 13:30 | |
| 3 | C6.9 | 2011/12/13 | 23:31 | 23:36 | 23:46 | |
| 4 | C5.03 | 2011/12/14 | 03:01 | 03:15 | 03:31 | |
| 5 | C4.72 | 2011/12/14 | 04:50 | 04:56 | 04:59 | |
| 6 | C4.45 | 2011/12/13 | 23:53 | 23:57 | 00:00 | |
| 7 | C4.14 | 2011/12/14 | 05:12 | 05:17 | 05:25 | |
| 8 | C3.57 | 2011/12/14 | 16:43 | 16:47 | 16:49 | |
| 9 | C2.78 | 2011/12/14 | 01:47 | 01:51 | 01:59 | |
| 10 | C2.78 | 2011/12/14 | 22:38 | 22:47 | 22:56 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/31 | M7.11 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 120 -4 |
| Last 30 days | 114.5 +16.4 |