Sunspot region AR12901
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/11/28 | 1 | 20 | HSX | N17E64 | |
| 2021/11/29 | 1 | 30 | HSX | N16E50 | |
| 2021/11/30 | 1 | 10 | AXX | N15E36 | |
| 2021/12/04 | 2 | 10 | BXO | N21W19 |
2021/11/28
2021/11/29
2021/11/30
2021/12/04
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2021/11/28
2021/11/29
2021/11/30
2021/12/04
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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 | 126.5 -7.7 |
| Last 30 days | 124.6 -4.5 |