Sunspot region AR11681
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/02/26 | 1 | 30 | HSX | N16E59 | |
| 2013/02/27 | 3 | 40 | CSO | N16E46 | |
| 2013/02/28 | 3 | 40 | CSO | N17E33 | |
| 2013/03/01 | 2 | 20 | CRO | N17E20 | |
| 2013/03/02 | 2 | 10 | AXX | N17E06 | |
| 2013/03/03 | 2 | 10 | AXX | N17W07 | |
| 2013/03/04 | 2 | 10 | AXX | N17W21 |
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 11681
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.97 | 2013/02/27 | 00:29 | 00:36 | 00:42 | |
| 2 | B8.45 | 2013/03/02 | 11:48 | 11:52 | 12:14 |
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
Latest forum messages
AR4366 1010Feb 8-9 CMEs 25AR4374 11Space Weather Memes 793Do the high-resolution sunspot counts point to more complex sunspots? 59
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Space weather facts
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| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |