| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/10/13 | 4 | 10 | BXO | N12W09 | |
| 2004/10/14 | 9 | 20 | CSO | N11W21 | |
| 2004/10/15 | 4 | 20 | AXX | N10W36 | |
| 2004/10/17 | 2 | 10 | AXX | N10W62 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.62 | 2004/10/12 | 22:59 | 23:04 | 23:06 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 120.6 +10.9 |