Sunspot region AR12687
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/11/15 | 4 | 50 | CAO | S08E64 | |
| 2017/11/16 | 4 | 90 | CAO | S07E55 | |
| 2017/11/17 | 5 | 90 | CAO | S08E39 | |
| 2017/11/18 | 4 | 60 | HAX | S08E31 | |
| 2017/11/19 | 4 | 30 | HRX | S09E18 |
2017/11/15
2017/11/16
2017/11/17
2017/11/18
2017/11/19
|
2017/11/15
2017/11/16
2017/11/17
2017/11/18
2017/11/19
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12687
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.16 | 2017/11/17 | 00:21 | 00:28 | 00:30 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 74.6 -38 |
| Last 30 days | 79 -41.8 |