Sunspot region AR13991
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/11 | 1 | 30 | HSX | S12E70 | |
| 2025/02/12 | 3 | 30 | CSO | S12E56 | |
| 2025/02/13 | 2 | 20 | HRX | S12E44 | |
| 2025/02/14 | 1 | 20 | HRX | S12E30 | |
| 2025/02/15 | 2 | 10 | AXX | S12E17 | |
| 2025/02/16 | 6 | 20 | CRO | S13E03 | |
| 2025/02/17 | 1 | 10 | AXX | S13W11 | |
| 2025/02/18 | 1 | 10 | AXX | S14W24 |
2025/02/11
2025/02/12
2025/02/13
2025/02/14
2025/02/15
2025/02/16
2025/02/17
2025/02/18
|
2025/02/11
2025/02/12
2025/02/13
2025/02/14
2025/02/15
2025/02/16
2025/02/17
2025/02/18
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13991
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.0 | 2025/02/19 | 23:23 | 23:45 | 23:59 | |
| 2 | C7.2 | 2025/02/11 | 18:05 | 18:25 | 18:43 |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/17 | M1.1 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 153.6 +16.6 |
| Last 30 days | 150.6 -13 |