| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/12/10 | 1 | 50 | HAX | N19E78 | |
| 2005/12/11 | 3 | 180 | DKO | N19E64 | |
| 2005/12/12 | 4 | 220 | DAO | N18E55 | |
| 2005/12/13 | 9 | 190 | DAI | N20E40 | |
| 2005/12/14 | 14 | 200 | DAI | N18E27 | |
| 2005/12/15 | 12 | 150 | DSO | N18E15 | |
| 2005/12/16 | 7 | 160 | DAO | N18E01 | |
| 2005/12/17 | 8 | 110 | CSO | N19W13 | |
| 2005/12/18 | 4 | 110 | DSO | N19W27 | |
| 2005/12/19 | 3 | 100 | CHO | N20W40 | |
| 2005/12/20 | 6 | 120 | CSO | N19W54 | |
| 2005/12/21 | 1 | 110 | HAX | N18W67 | |
| 2005/12/22 | 1 | 80 | HAX | N19W81 | |
| 2005/12/23 | 1 | 90 | HAX | N19W92 |
| B | C |
|---|---|
| 21 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.59 | 2005/12/11 | 13:33 | 13:38 | 13:41 | |
| 2 | C1.28 | 2005/12/11 | 21:08 | 21:14 | 21:16 | |
| 3 | B7.4 | 2005/12/11 | 23:49 | 23:55 | 23:57 | |
| 4 | B6.93 | 2005/12/11 | 09:49 | 09:56 | 10:04 | |
| 5 | B6.5 | 2005/12/12 | 00:39 | 00:46 | 00:49 | |
| 6 | B6.43 | 2005/12/11 | 10:21 | 10:25 | 10:28 | |
| 7 | B6.35 | 2005/12/21 | 13:11 | 13:15 | 13:19 | |
| 8 | B5.44 | 2005/12/11 | 20:33 | 20:37 | 20:40 | |
| 9 | B4.74 | 2005/12/11 | 08:35 | 08:39 | 08:45 | |
| 10 | B3.32 | 2005/12/12 | 01:22 | 01:26 | 01:29 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |