Sunspot region AR8797
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/14 | 4 | 0 | BXO | S35E10 | |
| 1999/12/15 | 7 | 80 | DAO | S34W02 | |
| 1999/12/16 | 10 | 90 | DSO | S33W16 | |
| 1999/12/17 | 11 | 90 | DSO | S32W29 | |
| 1999/12/18 | 10 | 60 | DSO | S33W41 | |
| 1999/12/19 | 2 | 10 | AXX | S32W57 | |
| 1999/12/20 | 1 | 0 | AXX | S32W65 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 163.2 +45.8 |