Sunspot region AR13447
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/25 | 3 | 10 | DAO | S23E08 | |
| 2023/09/26 | 6 | 70 | DAO | S22W05 | |
| 2023/09/27 | 14 | 180 | DAO | S22W18 | |
| 2023/09/28 | 7 | 120 | CSI | S22W31 | |
| 2023/09/29 | 3 | 90 | CAO | S22W45 | |
| 2023/09/30 | 3 | 80 | CSO | S22W57 | |
| 2023/10/01 | 1 | 70 | HSX | S25W73 | |
| 2023/10/02 | 1 | 50 | HSX | S24W89 | |
| 2023/10/03 | 1 | 50 | HSX | S24W0* |
2023/09/25
2023/09/26
2023/09/27
2023/09/28
2023/09/29
2023/09/30
2023/10/01
2023/10/02
2023/10/03
|
2023/09/25
2023/09/26
2023/09/27
2023/09/28
2023/09/29
2023/09/30
2023/10/01
2023/10/02
2023/10/03
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13447
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.9 | 2023/09/30 | 14:05 | 14:18 | 14:32 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.8 +23 |
| Last 30 days | 109.7 +22.9 |