Sunspot region AR13913
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/01 | 2 | 40 | CRO | S06E24 | |
| 2024/12/02 | 2 | 30 | CRO | S08E24 | |
| 2024/12/03 | 1 | 10 | HRX | S06W07 | |
| 2024/12/04 | 3 | 10 | BXO | S07W23 | |
| 2024/12/05 | 6 | 30 | BXO | S08W33 | |
| 2024/12/06 | 3 | 10 | BXO | S07W49 | |
| 2024/12/07 | 2 | 10 | AXX | S07W62 |
2024/12/02
2024/12/03
2024/12/04
2024/12/05
2024/12/06
2024/12/07
|
2024/12/02
2024/12/03
2024/12/04
2024/12/05
2024/12/06
2024/12/07
|
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 13913
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.7 | 2024/12/09 | 00:46 | 00:53 | 00:57 | |
| 2 | C2.6 | 2024/12/09 | 02:07 | 02:10 | 02:14 | |
| 3 | C2.2 | 2024/12/09 | 04:42 | 04:47 | 04:51 |
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 | 109.3 +22.9 |