Sunspot region AR13857
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/10/14 | 3 | 30 | CAO | S15E70 | |
| 2024/10/15 | 3 | 90 | CAO | S09E52 | |
| 2024/10/16 | 4 | 100 | DSO | S04E40 | |
| 2024/10/17 | 6 | 130 | DAO | S03E31 | |
| 2024/10/18 | 6 | 100 | DAO | S07E13 | |
| 2024/10/19 | 8 | 70 | DSO | S07W02 | |
| 2024/10/20 | 5 | 30 | ERO | S07W17 | |
| 2024/10/21 | 4 | 30 | CAO | S04W26 | |
| 2024/10/22 | 2 | 20 | HRX | S05W38 |
2024/10/14
2024/10/15
2024/10/16
2024/10/17
2024/10/18
2024/10/19
2024/10/20
2024/10/21
2024/10/22
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2024/10/14
2024/10/15
2024/10/16
2024/10/17
2024/10/18
2024/10/19
2024/10/20
2024/10/21
2024/10/22
|
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
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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 |
| February 2026 | 75.5 -37.1 |
| Last 30 days | 81.7 -39.4 |