Sunspot region AR9728
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/12/05 | 3 | 20 | DSO | N36W07 | |
| 2001/12/06 | 9 | 60 | DSO | N36W20 | |
| 2001/12/07 | 9 | 100 | DAO | N35W34 | |
| 2001/12/08 | 5 | 110 | EAO | N36W47 | |
| 2001/12/09 | 4 | 70 | ESO | N36W60 | |
| 2001/12/10 | 5 | 50 | ESO | N35W71 | |
| 2001/12/11 | 1 | 20 | HSX | N35W90 |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
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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 |