Sunspot region AR12991
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2022/04/14 | 1 | 60 | HSX | S25E62 | |
| 2022/04/15 | 1 | 60 | HSX | S24E50 | |
| 2022/04/16 | 1 | 60 | HAX | S24E38 | |
| 2022/04/17 | 1 | 50 | HAX | S24E25 | |
| 2022/04/18 | 1 | 50 | HAX | S24E12 | |
| 2022/04/19 | 1 | 30 | HSX | S24W02 | |
| 2022/04/20 | 1 | 10 | HSX | S23W15 | |
| 2022/04/21 | 6 | 30 | CRO | S23W29 | |
| 2022/04/22 | 5 | 30 | CRO | S22W34 | |
| 2022/04/23 | 2 | 10 | AXX | S23W48 | |
| 2022/04/24 | 1 | 10 | AXX | S23W65 |
2022/04/14
2022/04/15
2022/04/16
2022/04/17
2022/04/18
2022/04/19
2022/04/20
2022/04/21
2022/04/22
2022/04/23
2022/04/24
|
2022/04/14
2022/04/15
2022/04/16
2022/04/17
2022/04/18
2022/04/19
2022/04/20
2022/04/21
2022/04/22
2022/04/23
2022/04/24
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 12991
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.9 | 2022/04/26 | 16:16 | 16:24 | 16:31 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Latest forum messages
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |