Sunspot region AR13820
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/09/08 | 1 | 20 | HSX | S22W10 | |
| 2024/09/09 | 4 | 20 | HSX | S20W23 | |
| 2024/09/10 | 1 | 10 | HAX | S20W37 | |
| 2024/09/11 | 1 | 10 | AXX | S21W50 | |
| 2024/09/12 | 4 | 10 | AXX | S20W63 |
2024/09/08
2024/09/09
2024/09/10
2024/09/11
2024/09/12
|
2024/09/08
2024/09/09
2024/09/10
2024/09/11
2024/09/12
|
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121.5 -12.7 |
| Last 30 days | 114.6 -22.2 |