| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/01/01 | 2 | 10 | BXO | S05E40 | |
| 2004/01/02 | 13 | 90 | DSO | S06E28 | |
| 2004/01/03 | 13 | 100 | DSI | S06E15 | |
| 2004/01/04 | 15 | 110 | DAO | S05E02 | |
| 2004/01/05 | 14 | 70 | DAO | S05W13 | |
| 2004/01/06 | 13 | 70 | DSO | S06W23 | |
| 2004/01/07 | 8 | 20 | DRO | S07W40 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.01 | 2004/01/02 | 02:50 | 02:58 | 03:03 | |
| 2 | C3.63 | 2004/01/01 | 05:35 | 05:40 | 05:47 | |
| 3 | C1.38 | 2004/01/09 | 20:25 | 20:35 | 20:46 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| 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 | 121.7 +9.1 |
| Last 30 days | 131.5 +34.7 |