Sunspot region AR11843
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/09/18 | 4 | 20 | CAO | N01E06 | |
| 2013/09/19 | 5 | 40 | DAO | N01W07 | |
| 2013/09/20 | 6 | 60 | DSO | N01W21 | |
| 2013/09/21 | 8 | 50 | CSO | N02W35 | |
| 2013/09/22 | 6 | 20 | CSO | N02W49 | |
| 2013/09/23 | 5 | 20 | CAO | N03W62 |
2013/09/18
2013/09/19
2013/09/20
2013/09/21
2013/09/22
2013/09/23
|
2013/09/18
2013/09/19
2013/09/20
2013/09/21
2013/09/22
2013/09/23
|
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
Current Farside Activity 370AR4366 987Incoming & Unnumbered Active Regions 152Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M1.8 |
| 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 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |