| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/12/09 | 3 | 30 | CRO | N12E32 | |
| 2012/12/10 | 4 | 50 | DAO | N11E19 | |
| 2012/12/11 | 14 | 70 | DAI | N11E04 | |
| 2012/12/12 | 15 | 120 | DAO | N11W10 | |
| 2012/12/13 | 15 | 120 | DAO | N11W24 | |
| 2012/12/14 | 14 | 120 | DAI | N11W36 | |
| 2012/12/15 | 12 | 170 | DAI | N11W49 | |
| 2012/12/16 | 9 | 170 | DSO | N11W62 | |
| 2012/12/17 | 7 | 80 | DSO | N11W75 | |
| 2012/12/18 | 1 | 80 | HSX | N13W88 |
| B | C |
|---|---|
| 10 | 8 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.2 | 2012/12/12 | 07:22 | 07:27 | 07:30 | |
| 2 | C1.96 | 2012/12/17 | 01:32 | 02:20 | 04:39 | |
| 3 | C1.36 | 2012/12/08 | 04:20 | 04:25 | 04:27 | |
| 4 | C1.36 | 2012/12/12 | 13:28 | 13:35 | 13:46 | |
| 5 | C1.28 | 2012/12/14 | 21:58 | 22:24 | 22:42 | |
| 6 | C1.2 | 2012/12/08 | 10:17 | 10:22 | 10:24 | |
| 7 | C1.12 | 2012/12/09 | 20:56 | 21:00 | 21:03 | |
| 8 | C1.12 | 2012/12/12 | 18:35 | 18:47 | 18:55 | |
| 9 | B7.79 | 2012/12/15 | 12:57 | 13:05 | 13:08 | |
| 10 | B7.38 | 2012/12/08 | 18:33 | 18:37 | 18:40 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| 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 | 114.8 +23 |
| Last 30 days | 109.3 +22.9 |