Sunspot region AR12660
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/05/23 | 10 | 12 | CRO | S11W15 | |
| 2017/05/24 | 3 | 10 | BXO | S11W26 |
2017/05/23
2017/05/24
|
2017/05/23
2017/05/24
|
| B |
|---|
| 3 |
The top 3 solar flares from sunspot region 12660
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.93 | 2017/05/23 | 14:04 | 14:21 | 14:37 | |
| 2 | B5.02 | 2017/05/24 | 13:31 | 13:44 | 13:56 | |
| 3 | B1.81 | 2017/05/22 | 22:01 | 22:05 | 22:09 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |