Sunspot region AR11646
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/04 | 1 | 80 | HSX | N13E57 | |
| 2013/01/05 | 1 | 30 | HAX | N14E45 | |
| 2013/01/06 | 1 | 30 | HSX | N14E31 | |
| 2013/01/07 | 1 | 40 | HSX | N13E17 | |
| 2013/01/08 | 1 | 60 | HSX | N13E04 | |
| 2013/01/09 | 3 | 30 | HRX | N13W09 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11646
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.11 | 2013/01/08 | 16:01 | 16:04 | 16:07 |
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 1004R4374 1Do the high-resolution sunspot counts point to more complex sunspots? 58AR4362 23Feb 8-9 CMEs 22
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| 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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |