Sunspot region AR13990
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/10 | 3 | 220 | CAO | S09E68 | |
| 2025/02/11 | 3 | 260 | DKO | S09E54 | |
| 2025/02/12 | 7 | 260 | DKO | S09E40 | |
| 2025/02/13 | 7 | 260 | CKO | S09E26 |
2025/02/10
2025/02/11
2025/02/12
2025/02/13
|
2025/02/10
2025/02/11
2025/02/12
2025/02/13
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 13990
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.2 | 2025/02/11 | 22:17 | 22:46 | 23:30 | |
| 2 | C2.6 | 2025/02/13 | 07:20 | 07:35 | 07:47 | |
| 3 | C2.0 | 2025/02/13 | 09:58 | 10:04 | 10:13 | |
| 4 | C1.7 | 2025/02/12 | 20:09 | 20:17 | 20:25 |
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
Latest forum messages
AR 3990 19AR3992 12Incoming & Unnumbered Active Regions 1510Growth of Cycle 25 799CME 2025-02-08T10:12Z 3
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/13 | M1.0 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 145.7 +8.7 |
| Last 30 days | 148.6 -1.4 |