Sunspot region AR9640
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/28 | 4 | 40 | CSO | N10E67 | |
| 2001/09/29 | 2 | 20 | BXO | N10E56 | |
| 2001/09/30 | 3 | 30 | HSX | N10E41 | |
| 2001/10/01 | 2 | 20 | CSO | N10E26 | |
| 2001/10/02 | 3 | 40 | CAO | N11E12 | |
| 2001/10/03 | 10 | 20 | CAO | N10E00 | |
| 2001/10/04 | 6 | 10 | BXO | N10W13 | |
| 2001/10/05 | 5 | 20 | BXO | N11W27 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
2025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 214AR4062 29AR 4060 30Emergent fluxes with fulguration and cme 2SEEDS is down? 23
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Latest alerts
01:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:30 UTC
Tuesday, 15 April 2025
22:30 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 22:23 UTC
22:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:00 UTC
20:00 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 19:44 UTC
19:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:59 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| Last geomagnetic storm | 2025/04/15 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 124.1 -10.1 |
| Last 30 days | 124.7 -16.6 |