Sunspot region AR8328
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/05 | 2 | 10 | AXX | S18E72 | |
| 1998/09/06 | 2 | 100 | HSX | S17E58 | |
| 1998/09/07 | 5 | 120 | CSO | S16E45 | |
| 1998/09/08 | 10 | 100 | CSO | S17E33 | |
| 1998/09/09 | 11 | 160 | CSO | S18E20 | |
| 1998/09/10 | 10 | 140 | CSO | S18E08 | |
| 1998/09/11 | 5 | 90 | CSO | S17W08 | |
| 1998/09/12 | 6 | 90 | CSO | S18W20 | |
| 1998/09/13 | 4 | 80 | CSO | S18W34 | |
| 1998/09/14 | 3 | 80 | CSO | S18W47 | |
| 1998/09/15 | 2 | 60 | HSX | S17W61 | |
| 1998/09/16 | 1 | 40 | HSX | S17W75 | |
| 1998/09/17 | 1 | 10 | AXX | S15W89 |
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| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.8 -8.7 |
| Last 30 days | 161.9 +43 |