Sunspot region AR13504
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/11/26 | 4 | 30 | DRO | N14W65 | |
| 2023/11/27 | 2 | 30 | DRO | N14W79 |
2023/11/26
2023/11/27
|
2023/11/26
2023/11/27
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13504
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.9 | 2023/11/30 | 19:37 | 20:13 | 20:39 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
Current Farside Activity 17AR4087 167Solar Transit, Artifacts, or Radiation 16Unexplained proton activity 79AR 14079 171
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/15 | M2.1 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 71.5 -69.1 |
| Last 30 days | 98.8 -24.2 |