Sunspot region AR13517
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/12/11 | 4 | 10 | BXO | N14W03 | |
| 2023/12/12 | 2 | 10 | CRO | N14W17 | |
| 2023/12/13 | 3 | 10 | CRO | N15W31 | |
| 2023/12/14 | 2 | 10 | HAX | N16W31 | |
| 2023/12/15 | 2 | 10 | HAX | N11W55 |
2023/12/11
2023/12/12
2023/12/13
2023/12/14
2023/12/15
|
2023/12/11
2023/12/12
2023/12/13
2023/12/14
2023/12/15
|
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
AR4366 678X1.9 CME 1365X8 CME 11New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73Current Farside Activity 351
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M7.3 |
| 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 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |