Sunspot region AR13987
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/06 | 1 | 30 | HSX | S09E65 | |
| 2025/02/07 | 2 | 20 | HRX | S09E51 | |
| 2025/02/08 | 2 | 20 | HRX | S09E36 | |
| 2025/02/09 | 3 | 10 | HRX | S09E22 | |
| 2025/02/10 | 2 | 10 | BXO | S09E10 | |
| 2025/02/11 | 6 | 10 | BXO | S09W04 |
2025/02/06
2025/02/07
2025/02/08
2025/02/09
2025/02/10
2025/02/11
|
2025/02/06
2025/02/07
2025/02/08
2025/02/09
2025/02/10
2025/02/11
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13987
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.9 | 2025/02/11 | 22:06 | 22:13 | 22:17 |
Latest news
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Latest forum messages
AR4086 47AR4087 4Incoming & Unnumbered Active Regions 1880Current Farside Activity 13Unexpected Sunspot Outbreaks 2
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Space weather facts
| Last X-flare | 2025/05/13 | X1.1 |
| Last M-flare | 2025/05/14 | M5.2 |
| 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 | 76.7 -63.9 |
| Last 30 days | 101.4 -29.5 |