Sunspot region AR8494
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/20 | 6 | 10 | BXO | S22E15 | |
| 1999/03/21 | 4 | 10 | BXO | S23E02 | |
| 1999/03/22 | 7 | 30 | CRO | S24W12 | |
| 1999/03/23 | 3 | 10 | BXO | S23W24 |
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
Latest forum messages
AR 13961 99Comet C/2024 G3 (ATLAS) in LASCO C3 25AR 3967 37Unexplained proton activity 45Penticton down? 7
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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 |