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 | 310 | CKI | S09E26 | |
| 2025/02/14 | 8 | 310 | DKI | S09E12 | |
| 2025/02/15 | 18 | 310 | CKI | S10W01 | |
| 2025/02/16 | 42 | 280 | CKI | S09W14 | |
| 2025/02/17 | 17 | 250 | CKO | S08W28 | |
| 2025/02/18 | 12 | 250 | CKO | S09W37 | |
| 2025/02/19 | 6 | 250 | CKO | S09W51 | |
| 2025/02/20 | 6 | 250 | CKO | S09W64 | |
| 2025/02/21 | 3 | 120 | CSO | S09W78 | |
| 2025/02/22 | 2 | 120 | CSO | S09W92 | |
| 2025/02/23 | 2 | 120 | CSO | S09W0* |
2025/02/10
2025/02/11
2025/02/12
2025/02/13
2025/02/14
2025/02/15
2025/02/16
2025/02/17
2025/02/18
2025/02/19
2025/02/20
2025/02/21
2025/02/22
2025/02/23
|
2025/02/10
2025/02/11
2025/02/12
2025/02/13
2025/02/14
2025/02/15
2025/02/16
2025/02/17
2025/02/18
2025/02/19
2025/02/20
2025/02/21
2025/02/22
2025/02/23
|
| C | M |
|---|---|
| 16 | 2 |
The top 10 solar flares from sunspot region 13990
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.8 | 2025/02/14 | 20:45 | 20:57 | 21:05 | |
| 2 | M1.2 | 2025/02/14 | 09:48 | 10:06 | 10:19 | |
| 3 | C9.0 | 2025/02/13 | 22:16 | 22:43 | 23:10 | |
| 4 | C5.8 | 2025/02/21 | 11:12 | 11:19 | 11:25 | |
| 5 | C5.6 | 2025/02/18 | 00:46 | 01:08 | 01:26 | |
| 6 | C3.6 | 2025/02/21 | 18:50 | 18:59 | 19:05 | |
| 7 | C3.4 | 2025/02/19 | 10:04 | 10:16 | 10:32 | |
| 8 | C3.3 | 2025/02/22 | 07:00 | 07:05 | 07:09 | |
| 9 | C3.2 | 2025/02/11 | 22:17 | 22:46 | 23:30 | |
| 10 | C3.2 | 2025/02/22 | 01:42 | 01:48 | 01:53 |
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 | 114.3 +22.5 |
| Last 30 days | 110.4 +23.9 |