Sunspot region AR12578
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/08/16 | 1 | 10 | AXX | N08E61 | |
| 2016/08/17 | 3 | 20 | BXO | N08E49 | |
| 2016/08/18 | 2 | 10 | AXX | N09E33 | |
| 2016/08/19 | 4 | 20 | CRO | N09E20 | |
| 2016/08/20 | 3 | 20 | CRO | N09E07 | |
| 2016/08/21 | 2 | 10 | AXX | N09W07 | |
| 2016/08/22 | 1 | 10 | AXX | N09W23 | |
| 2016/08/24 | 5 | 10 | BXO | N09W49 | |
| 2016/08/25 | 3 | 20 | CRO | N09W62 |
2016/08/16
2016/08/17
2016/08/18
2016/08/19
2016/08/20
2016/08/21
2016/08/22
2016/08/24
2016/08/25
|
2016/08/16
2016/08/17
2016/08/18
2016/08/19
2016/08/20
2016/08/21
2016/08/22
2016/08/24
2016/08/25
|
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 12578
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.64 | 2016/08/15 | 00:17 | 00:23 | 00:29 | |
| 2 | C1.12 | 2016/08/16 | 08:08 | 08:18 | 08:24 | |
| 3 | B5.84 | 2016/08/20 | 05:51 | 06:00 | 06:07 |
Latest news
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/28 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 115.5 +23.7 |
| Last 30 days | 113.8 +28 |