Sunspot region AR11387
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/12/26 | 3 | 30 | DAO | S22W28 | |
| 2011/12/27 | 17 | 130 | DAI | S22W42 | |
| 2011/12/28 | 17 | 290 | DKI | S21W57 | |
| 2011/12/29 | 14 | 290 | DKI | S21W70 | |
| 2011/12/30 | 5 | 170 | DAO | S19W83 |
| C | M |
|---|---|
| 9 | 5 |
The top 10 solar flares from sunspot region 11387
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.77 | 2011/12/25 | 18:11 | 18:16 | 18:20 | |
| 2 | M3.43 | 2011/12/26 | 20:12 | 20:30 | 20:36 | |
| 3 | M2.18 | 2011/12/26 | 02:13 | 02:27 | 02:36 | |
| 4 | M1.22 | 2011/12/25 | 11:20 | 11:26 | 11:31 | |
| 5 | M1.1 | 2011/12/25 | 20:23 | 20:29 | 20:33 | |
| 6 | C9.3 | 2011/12/28 | 16:36 | 16:40 | 16:44 | |
| 7 | C8.93 | 2011/12/27 | 11:59 | 12:07 | 12:34 | |
| 8 | C7.98 | 2011/12/25 | 08:49 | 08:55 | 09:01 | |
| 9 | C5.75 | 2011/12/27 | 09:17 | 09:23 | 09:26 | |
| 10 | C5.53 | 2011/12/27 | 08:11 | 08:22 | 08:32 |
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
AR4062 45Incoming & Unnumbered Active Regions 1755AR4064 132025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 535GLE. Ground Level Enhancements 12
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 | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.5 -13.7 |
| Last 30 days | 116.6 -25.7 |