| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/11/29 | 3 | 30 | CRO | S02E62 | |
| 2005/11/30 | 4 | 30 | CSO | S02E49 | |
| 2005/12/01 | 22 | 140 | DAC | S02E36 | |
| 2005/12/02 | 22 | 210 | EKC | S02E22 | |
| 2005/12/03 | 32 | 490 | EKC | S02E09 | |
| 2005/12/04 | 21 | 380 | EKC | S03W10 | |
| 2005/12/05 | 25 | 380 | EKC | S04W21 | |
| 2005/12/06 | 25 | 260 | EHC | S06W35 | |
| 2005/12/07 | 9 | 200 | EHI | S07W47 | |
| 2005/12/08 | 1 | 80 | HSX | S05W69 | |
| 2005/12/09 | 2 | 90 | DAO | S06W80 |
| B | C | M | X |
|---|---|---|---|
| 29 | 19 | 3 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.13 | 2005/12/02 | 10:05 | 10:12 | 10:25 | |
| 2 | M9.39 | 2005/12/02 | 02:42 | 02:52 | 03:00 | |
| 3 | M2.1 | 2005/11/30 | 17:46 | 17:52 | 17:55 | |
| 4 | M1.48 | 2005/12/02 | 20:01 | 20:30 | 20:52 | |
| 5 | C8.66 | 2005/12/01 | 08:15 | 08:37 | 08:50 | |
| 6 | C8.26 | 2005/12/01 | 04:49 | 05:04 | 05:12 | |
| 7 | C7.13 | 2005/12/02 | 05:52 | 06:00 | 06:09 | |
| 8 | C5.19 | 2005/12/03 | 05:31 | 05:46 | 06:01 | |
| 9 | C5.12 | 2005/12/03 | 08:45 | 08:49 | 08:59 | |
| 10 | C3.16 | 2005/12/01 | 15:28 | 15:35 | 15:43 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| 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 | 116.2 +3.6 |
| Last 30 days | 130.8 +34.3 |