Sunspot region AR9721
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/11/29 | 1 | 120 | HAX | N10E78 | |
| 2001/11/30 | 3 | 130 | CAO | N12E70 | |
| 2001/12/01 | 3 | 140 | DSO | N13E57 | |
| 2001/12/02 | 4 | 160 | DAO | N13E43 | |
| 2001/12/03 | 7 | 170 | CAO | N13E30 | |
| 2001/12/04 | 6 | 190 | CAO | N13E16 | |
| 2001/12/05 | 3 | 200 | CSO | N12E02 | |
| 2001/12/06 | 1 | 210 | HSX | N11W11 | |
| 2001/12/07 | 3 | 220 | HSX | N11W25 | |
| 2001/12/08 | 4 | 130 | CAO | N12W37 | |
| 2001/12/09 | 4 | 100 | DAO | N11W52 | |
| 2001/12/10 | 3 | 110 | DAO | N11W64 | |
| 2001/12/11 | 2 | 100 | DSO | N11W79 | |
| 2001/12/12 | 2 | 60 | DSO | N11W93 |
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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 | 151.6 -63.9 |
| Last 30 days | 159.7 -53.2 |