| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/31 | 1 | 100 | HSX | N24E67 | |
| 2001/02/01 | 11 | 230 | ESO | N26E57 | |
| 2001/02/02 | 12 | 220 | EAO | N25E44 | |
| 2001/02/03 | 16 | 140 | EAO | N26E31 | |
| 2001/02/04 | 17 | 160 | ESO | N26E18 | |
| 2001/02/05 | 17 | 130 | EAI | N25E04 | |
| 2001/02/06 | 6 | 90 | DAO | N26W09 | |
| 2001/02/07 | 10 | 80 | DAO | N26W21 | |
| 2001/02/08 | 8 | 80 | DAO | N25W36 | |
| 2001/02/09 | 7 | 80 | CAO | N26W47 | |
| 2001/02/10 | 6 | 70 | DSO | N25W61 | |
| 2001/02/11 | 1 | 20 | HSX | N22W80 | |
| 2001/02/12 | 1 | 0 | AXX | N22W91 |
| C | M |
|---|---|
| 5 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.13 | 2001/02/01 | 07:07 | 07:12 | 07:15 | |
| 2 | C5.9 | 2001/02/01 | 17:07 | 17:12 | 17:17 | |
| 3 | C3.83 | 2001/02/01 | 12:55 | 13:00 | 13:04 | |
| 4 | C3.69 | 2001/02/04 | 08:35 | 08:41 | 08:47 | |
| 5 | C2.9 | 2001/01/30 | 18:22 | 18:53 | 19:06 | |
| 6 | C2.53 | 2001/02/04 | 00:02 | 00:22 | 01:11 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |