Sunspot region AR12491
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/02/01 | 2 | 10 | BXO | N02E70 | |
| 2016/02/02 | 4 | 60 | DAO | N01E57 | |
| 2016/02/03 | 3 | 50 | DAO | N02E44 | |
| 2016/02/04 | 6 | 30 | DRO | N03E30 | |
| 2016/02/05 | 6 | 20 | CRO | N02E16 | |
| 2016/02/06 | 2 | 10 | AXX | N02E03 |
2016/02/01
2016/02/02
2016/02/03
2016/02/04
2016/02/05
2016/02/06
|
2016/02/01
2016/02/02
2016/02/03
2016/02/04
2016/02/05
2016/02/06
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 12491
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.16 | 2016/02/05 | 03:22 | 03:26 | 03:32 |
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
Space Weather Memes 793Feb 8-9 CMEs 24AR4374 9Do the high-resolution sunspot counts point to more complex sunspots? 59AR4366 1007
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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 | 129.4 +28.1 |