Sunspot region AR13409
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/08/16 | 9 | 30 | CRO | N21W17 | |
| 2023/08/17 | 7 | 20 | CRO | N20W30 | |
| 2023/08/18 | 5 | 20 | BXO | N20W41 | |
| 2023/08/19 | 5 | 30 | CRO | N22W56 | |
| 2023/08/20 | 3 | 10 | BXO | N22W70 |
2023/08/16
2023/08/17
2023/08/18
2023/08/19
2023/08/20
|
2023/08/16
2023/08/17
2023/08/18
2023/08/19
2023/08/20
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 13409
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.7 | 2023/08/18 | 19:09 | 19:30 | 19:49 | |
| 2 | C3.0 | 2023/08/18 | 21:17 | 21:35 | 21:58 | |
| 3 | C1.7 | 2023/08/17 | 07:27 | 07:36 | 07:50 | |
| 4 | C1.7 | 2023/08/18 | 10:30 | 10:48 | 11:08 |
Latest news
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Friday, 14 November 2025
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/11 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 152.4 +60.6 |
| Last 30 days | 108.1 +9.1 |