Sunspot region AR12620
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/12/21 | 4 | 10 | BXO | S23W37 | |
| 2016/12/22 | 5 | 50 | CSO | S23W50 | |
| 2016/12/23 | 2 | 20 | HSX | S23W64 |
2016/12/21
2016/12/22
2016/12/23
|
2016/12/21
2016/12/22
2016/12/23
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12620
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B3.3 | 2016/12/21 | 14:12 | 14:19 | 14:26 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.1 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 120.6 +10.9 |