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 |
Currently there's no noteworthy space weather
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Solar Transit, Artifacts, or Radiation 12AR 4068 2AR 4055 124Incoming & Unnumbered Active Regions 1831Filaments and prominences 130
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 126.2 -8 |
| Last 30 days | 125.9 -2.4 |