Sunspot region AR13907
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/11/23 | 11 | 25 | CRO | S20E18 | |
| 2024/11/24 | 11 | 25 | CRO | S21E01 | |
| 2024/11/25 | 4 | 30 | CRO | S21W10 | |
| 2024/11/26 | 5 | 60 | DAO | S22W23 | |
| 2024/11/27 | 6 | 40 | DAO | S23W35 | |
| 2024/11/28 | 4 | 20 | DAO | S19W50 | |
| 2024/11/29 | 3 | 10 | BXO | S21W63 |
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13907
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.2 | 2024/11/30 | 16:09 | 16:18 | 16:25 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
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Broad-spectrum aurora pillars 15CH 17 1Do the high-resolution sunspot counts point to more complex sunspots? 30Filaments and prominences 477Space Weather Memes 776
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |