Sunspot region AR13309
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/17 | 4 | 20 | CRO | S20W53 | |
| 2023/05/18 | 1 | 10 | AXX | S19W64 | |
| 2023/05/19 | 3 | 10 | BXO | S17W73 | |
| 2023/05/20 | 3 | 10 | BXO | S18W91 |
2023/05/17
2023/05/18
2023/05/19
2023/05/20
|
2023/05/17
2023/05/18
2023/05/19
2023/05/20
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13309
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.3 | 2023/05/17 | 15:19 | 15:30 | 15:53 |
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
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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 | 160.1 +7.7 |