Sunspot region AR12903
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/11/30 | 1 | 10 | AXX | S15E41 | |
| 2021/12/01 | 0 | 0 | AXX | S18E29 | |
| 2021/12/05 | 2 | 10 | BXO | S16W24 |
2021/11/30
2021/12/01
2021/12/05
|
2021/11/30
2021/12/01
2021/12/05
|
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
AR4087 92Incoming & Unnumbered Active Regions 1883Unspecified geomagnetic activity 2426AR4086 49AR 14079 170
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/14 | M4.6 |
| 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 | 74.9 -65.7 |
| Last 30 days | 101.3 -25.6 |