Sunspot region AR9420
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/04/06 | 1 | 40 | HSX | S08E76 | |
| 2001/04/07 | 2 | 70 | HSX | S06E62 | |
| 2001/04/08 | 2 | 70 | HSX | S07E49 | |
| 2001/04/09 | 1 | 80 | HSX | S06E36 | |
| 2001/04/10 | 1 | 40 | HSX | S07E22 | |
| 2001/04/11 | 3 | 50 | CSO | S07E10 | |
| 2001/04/12 | 4 | 50 | CSO | S07W05 | |
| 2001/04/13 | 1 | 40 | HSX | S07W18 | |
| 2001/04/14 | 3 | 40 | CAO | S08W31 | |
| 2001/04/15 | 4 | 10 | HRX | S07W44 | |
| 2001/04/16 | 1 | 20 | HRX | S07W59 | |
| 2001/04/17 | 1 | 20 | HRX | S06W71 | |
| 2001/04/18 | 1 | 0 | AXX | S07W83 |
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M3.0 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |