Sunspot region AR13831
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/09/19 | 10 | 100 | CRO | N12E05 | |
| 2024/09/20 | 7 | 80 | DAO | N12W09 | |
| 2024/09/21 | 7 | 80 | DAO | N12W23 | |
| 2024/09/22 | 7 | 80 | DAO | N12W37 | |
| 2024/09/23 | 3 | 80 | CAO | N14W49 | |
| 2024/09/24 | 3 | 60 | CAO | N15W62 | |
| 2024/09/25 | 4 | 30 | CRO | N15W76 | |
| 2024/09/26 | 2 | 20 | CRO | N15W90 | |
| 2024/09/27 | 2 | 20 | CRO | N15W0* |
2024/09/19
2024/09/20
2024/09/21
2024/09/22
2024/09/23
2024/09/24
2024/09/25
2024/09/26
2024/09/27
|
2024/09/19
2024/09/20
2024/09/21
2024/09/22
2024/09/23
2024/09/24
2024/09/25
2024/09/26
2024/09/27
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 13831
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.4 | 2024/09/21 | 20:37 | 20:46 | 20:50 | |
| 2 | C3.9 | 2024/09/20 | 14:45 | 14:57 | 15:04 | |
| 3 | C2.4 | 2024/09/19 | 21:46 | 21:52 | 21:57 | |
| 4 | C1.6 | 2024/09/21 | 13:35 | 13:41 | 13:46 |
Latest news
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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 |