Sunspot region AR13660
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/04/27 | 1 | 30 | HSX | N10E64 | |
| 2024/04/28 | 3 | 10 | BXO | N11E53 | |
| 2024/04/29 | 2 | 10 | HRX | N11E36 | |
| 2024/04/30 | 2 | 10 | HRX | N11E23 |
2024/04/27
2024/04/28
2024/04/29
2024/04/30
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2024/04/27
2024/04/28
2024/04/29
2024/04/30
|
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
Feb 8-9 CMEs 27Do the high-resolution sunspot counts point to more complex sunspots? 63AR4366 1027Yes, we really went to the moon before. 3Filaments and prominences 487
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.4 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 129.4 +16.8 |
| Last 30 days | 132 +34.3 |