Sunspot region AR13931
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/20 | 3 | 10 | BXO | N23E32 | |
| 2024/12/21 | 3 | 40 | BXO | N26E17 | |
| 2024/12/22 | 1 | 10 | AXX | N25E05 | |
| 2024/12/23 | 1 | 10 | AXX | N25W09 | |
| 2024/12/24 | 2 | 20 | AXX | N18W30 |
2024/12/20
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2024/12/22
2024/12/23
2024/12/24
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2024/12/20
2024/12/21
2024/12/22
2024/12/23
2024/12/24
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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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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119 -5 |
| Last 30 days | 119 +0.7 |