Sunspot region AR11311
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/10/05 | 12 | 70 | DAI | S12E20 | |
| 2011/10/06 | 6 | 110 | DSO | S11E07 | |
| 2011/10/07 | 3 | 60 | CSO | S12W07 | |
| 2011/10/08 | 2 | 50 | CSO | S11W22 | |
| 2011/10/09 | 1 | 50 | HSX | S13W36 | |
| 2011/10/10 | 1 | 40 | HSX | S11W50 | |
| 2011/10/11 | 1 | 40 | HSX | S12W63 | |
| 2011/10/12 | 1 | 30 | HSX | S12W77 |
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 473Do the high-resolution sunspot counts point to more complex sunspots? 44Space Weather Memes 782JHelioviewer Tips and Settings 38Incoming & Unnumbered Active Regions 141
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Space weather facts
| Last X-flare | 2026/02/02 | X2.9 |
| Last M-flare | 2026/02/02 | M2.3 |
| 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 | 97 -27 |
| Last 30 days | 118.3 +3.5 |