Sunspot region AR13420
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/03 | 4 | 30 | CSO | S20E16 | |
| 2023/09/04 | 1 | 20 | CRO | S20E02 | |
| 2023/09/05 | 3 | 10 | AXX | S19W11 | |
| 2023/09/06 | 3 | 10 | AXX | S21W25 |
2023/09/03
2023/09/04
2023/09/05
2023/09/06
|
2023/09/03
2023/09/04
2023/09/05
2023/09/06
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13420
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.9 | 2023/09/05 | 22:13 | 22:22 | 22:46 |
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
Latest forum messages
AR13889 11AR 13886 7Growth of Cycle 25 741Filaments and prominences 370Ask your obscure/"stupid" space weather questions. 40
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Space weather facts
| Last X-flare | 2024/11/06 | X2.3 |
| Last M-flare | 2024/11/07 | M2.3 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 194.5 +28.1 |
| Last 30 days | 160.2 +7.5 |