Sunspot region AR8727
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/08 | 2 | 10 | BXO | N18E53 | |
| 1999/10/09 | 3 | 40 | CSO | N18E40 | |
| 1999/10/10 | 3 | 10 | HSX | N18E25 | |
| 1999/10/11 | 3 | 10 | BXO | N18E12 | |
| 1999/10/12 | 4 | 20 | CAO | N18E01 | |
| 1999/10/13 | 4 | 30 | DSO | N19W10 | |
| 1999/10/14 | 9 | 40 | BXO | N21W24 | |
| 1999/10/15 | 7 | 30 | DAO | N20W37 | |
| 1999/10/16 | 1 | 10 | AXX | N20W52 |
Latest news
Saturday, 11 May 2024
Strongest geomagnetic storm since 2003, X5.8 solar flare
Saturday, 11 May 2024
Extreme G5 geomagnetic storm
Friday, 10 May 2024
Severe G4 geomagnetic storm
Latest forum messages
AR3664 816May 2024 Geomagnetic Storms from AR 13664 (2) 63Incoming Active Regions 256Unique this cycle? 3Sorry for putting the forum down 8
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Space weather facts
| Last X-flare | 2024/05/11 | X1.5 |
| Last M-flare | 2024/05/11 | M1.2 |
| Last geomagnetic storm | 2024/05/10 | Kp9 (G5) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 139.8 +3.3 |
| Last 30 days | 173.6 +82.2 |