Sunspot region AR8151
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/04 | 2 | 30 | CSO | S24E75 | |
| 1998/02/05 | 2 | 60 | CSO | S24E61 | |
| 1998/02/06 | 4 | 60 | HSX | S22E49 | |
| 1998/02/07 | 2 | 60 | HSX | S23E38 | |
| 1998/02/08 | 1 | 30 | HSX | S21E24 | |
| 1998/02/09 | 1 | 40 | HSX | S22E11 | |
| 1998/02/10 | 1 | 40 | HRX | S22W02 | |
| 1998/02/11 | 1 | 50 | HSX | S24W14 | |
| 1998/02/12 | 1 | 20 | HSX | S24W26 | |
| 1998/02/13 | 1 | 0 | AXX | S24W40 | |
| 1998/02/14 | 1 | 0 | AXX | S24W52 | |
| 1998/02/15 | 1 | 0 | AXX | S24W67 | |
| 1998/02/16 | 1 | 0 | AXX | S22W80 |
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/23 | M4.9 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 154.3 +17.3 |
| Last 30 days | 150.6 -11.5 |