Sunspot region AR12688
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/11/18 | 2 | 10 | BXO | N11W32 |
2017/11/18
|
2017/11/18
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12688
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.09 | 2017/11/21 | 01:58 | 02:03 | 02:10 |
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
AR4392 8Unspecified geomagnetic activity 115Current Farside Activity 411CH 31 HSS 2Comet C/2026 A1 (MAPS) for the southern hemisphere 17
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.2 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.5 +5.3 |
| Last 30 days | 58.3 -70.3 |