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
Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
G3 geomagnetic storm watch due to CME passage
Monday, 12 August 2024
Severe G4 geomagnetic storm
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 147.6 -68 |
| Last 30 days | 153.9 -57.9 |