Sunspot region AR12550
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/05/31 | 6 | 20 | CRO | N15W31 | |
| 2016/06/01 | 4 | 20 | CRO | N15W45 | |
| 2016/06/02 | 4 | 10 | BXO | N15W58 | |
| 2016/06/03 | 4 | 10 | BXO | N15W72 |
2016/05/31
2016/06/01
2016/06/02
2016/06/03
|
2016/05/31
2016/06/01
2016/06/02
2016/06/03
|
| B | C |
|---|---|
| 2 | 2 |
The top 4 solar flares from sunspot region 12550
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.98 | 2016/05/30 | 07:33 | 07:37 | 07:42 | |
| 2 | C1.46 | 2016/05/30 | 13:18 | 13:24 | 13:28 | |
| 3 | B5.86 | 2016/05/30 | 17:03 | 17:10 | 17:12 | |
| 4 | B4.9 | 2016/05/30 | 15:02 | 15:07 | 15:11 |
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 |