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
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4419 65SWPC Display bug or other issues 9Space Weather Memes 826Coronal Holes 42/44 81Filaments and prominences 548
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/19 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 81 -4.9 |
| Last 30 days | 92.5 +30.9 |
