Sunspot region AR12577
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/08/12 | 4 | 20 | CRO | N03E33 | |
| 2016/08/13 | 10 | 130 | DSO | N03E19 | |
| 2016/08/14 | 8 | 90 | DAO | N04E07 | |
| 2016/08/15 | 7 | 80 | DAO | N04W07 | |
| 2016/08/16 | 4 | 50 | DAO | N04W21 | |
| 2016/08/17 | 3 | 10 | BXO | N04W34 | |
| 2016/08/18 | 1 | 10 | AXX | N04W50 |
2016/08/12
2016/08/13
2016/08/14
2016/08/15
2016/08/16
2016/08/17
2016/08/18
|
2016/08/12
2016/08/13
2016/08/14
2016/08/15
2016/08/16
2016/08/17
2016/08/18
|
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 129.8 -18.9 |