Sunspot region AR11287
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/09/04 | 3 | 30 | CAO | S30E64 | |
| 2011/09/05 | 3 | 80 | CSO | S32E51 | |
| 2011/09/06 | 5 | 80 | CSO | S31E38 | |
| 2011/09/07 | 5 | 100 | CSO | S31E25 | |
| 2011/09/08 | 1 | 100 | HSX | S30E09 | |
| 2011/09/09 | 1 | 60 | HSX | S30W05 | |
| 2011/09/10 | 2 | 60 | HSX | S29W16 | |
| 2011/09/11 | 2 | 70 | HSX | S29W28 | |
| 2011/09/12 | 2 | 60 | HSX | S28W42 | |
| 2011/09/13 | 2 | 50 | CSO | S29W53 | |
| 2011/09/14 | 3 | 80 | DSO | S27W68 | |
| 2011/09/15 | 4 | 170 | DSO | S27W78 | |
| 2011/09/16 | 1 | 10 | HSX | S28W83 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11287
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.32 | 2011/09/03 | 22:08 | 22:12 | 22:14 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 97.3 -15.3 |
| Last 30 days | 113.3 +2.3 |