Sunspot region AR13915
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/12/02 | 4 | 10 | BXO | N13E67 | |
| 2024/12/03 | 3 | 10 | BXO | N15E56 | |
| 2024/12/04 | 2 | 10 | BXO | N14E39 | |
| 2024/12/05 | 2 | 10 | BXO | N13E22 | |
| 2024/12/06 | 2 | 10 | BXO | N14E12 | |
| 2024/12/07 | 1 | 10 | AXX | N12W02 | |
| 2024/12/08 | 1 | 10 | AXX | N12W16 |
2024/12/02
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2024/12/06
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2024/12/08
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| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13915
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.4 | 2024/12/03 | 09:52 | 09:58 | 10:04 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4381 1Incoming & Unnumbered Active Regions 219Did ChatGPT Find a New Solar Physics Formula? 31AR4378 8Filaments and prominences 495
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| Last 30 days | 72.7 -45.8 |