Sunspot region AR9910
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/16 | 5 | 30 | BXO | S21E50 | |
| 2002/04/17 | 4 | 30 | CSO | S20E37 | |
| 2002/04/18 | 8 | 60 | DAO | S20E22 | |
| 2002/04/19 | 18 | 210 | DAO | S20E07 | |
| 2002/04/20 | 17 | 210 | DAO | S20W06 | |
| 2002/04/21 | 23 | 180 | EAO | S20W18 | |
| 2002/04/22 | 13 | 100 | CAO | S20W33 | |
| 2002/04/23 | 6 | 80 | CSO | S21W47 | |
| 2002/04/24 | 1 | 80 | HSX | S19W62 | |
| 2002/04/25 | 2 | 80 | HSX | S21W74 | |
| 2002/04/26 | 2 | 40 | HSX | S21W86 |
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 | 151.6 -63.9 |
| Last 30 days | 159.7 -53.2 |