Sunspot region AR13994
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/13 | 3 | 30 | DRO | S21E10 | |
| 2025/02/14 | 3 | 30 | DAO | S21W04 | |
| 2025/02/15 | 6 | 30 | CRO | S19W18 | |
| 2025/02/16 | 9 | 40 | CAO | S19W32 | |
| 2025/02/17 | 4 | 10 | BXO | S21W46 | |
| 2025/02/18 | 1 | 5 | AXX | S19W60 | |
| 2025/02/19 | 1 | 5 | AXX | S19W74 | |
| 2025/02/20 | 1 | 5 | AXX | S19W88 | |
| 2025/02/21 | 1 | 5 | AXX | S19W0* |
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
|
2025/02/13
2025/02/14
2025/02/15
2025/02/16
2025/02/17
2025/02/18
2025/02/19
2025/02/20
2025/02/21
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13994
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.6 | 2025/02/14 | 07:31 | 07:45 | 07:50 | |
| 2 | C4.8 | 2025/02/14 | 14:08 | 14:17 | 14:21 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
Unspecified geomagnetic activity 2431AR4087 174AR 14089 4Tuesday's Filament makes the news in the UK 3AR4990 1
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/15 | M2.1 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 71.5 -69.1 |
| Last 30 days | 98.1 -22.6 |