| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/12/22 | 1 | 220 | HAX | N04E68 | |
| 2001/12/23 | 3 | 330 | CHO | N04E55 | |
| 2001/12/24 | 14 | 320 | EKO | N04E44 | |
| 2001/12/25 | 13 | 380 | EKO | N05E30 | |
| 2001/12/26 | 25 | 380 | EKI | N04E18 | |
| 2001/12/27 | 33 | 500 | EKI | N04E04 | |
| 2001/12/28 | 38 | 410 | EAI | N04W10 | |
| 2001/12/29 | 34 | 380 | EAI | N04W24 | |
| 2001/12/30 | 31 | 300 | EAI | N04W38 | |
| 2001/12/31 | 18 | 230 | EAI | N05W51 | |
| 2002/01/01 | 17 | 190 | EAI | N04W64 | |
| 2002/01/02 | 12 | 150 | EAI | N03W77 | |
| 2002/01/03 | 4 | 80 | DAO | N04W89 |
| C | M |
|---|---|
| 4 | 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.01 | 2001/12/29 | 05:40 | 05:45 | 05:50 | |
| 2 | M1.19 | 2001/12/28 | 18:46 | 18:53 | 19:02 | |
| 3 | M1.17 | 2001/12/26 | 03:27 | 03:36 | 03:49 | |
| 4 | C8.94 | 2001/12/26 | 00:01 | 00:10 | 00:17 | |
| 5 | C8.75 | 2001/12/30 | 06:53 | 07:25 | 07:34 | |
| 6 | C7.49 | 2002/01/02 | 03:16 | 03:23 | 03:27 | |
| 7 | C4.62 | 2001/12/30 | 13:42 | 13:47 | 13:59 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.8 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |