Sunspot region AR11381
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/12/19 | 5 | 40 | DAO | S18E19 | |
| 2011/12/20 | 9 | 80 | DAI | S18E10 | |
| 2011/12/21 | 8 | 90 | DAO | S17W01 | |
| 2011/12/22 | 7 | 70 | CSO | S15W17 | |
| 2011/12/23 | 15 | 180 | DAI | S18W28 | |
| 2011/12/24 | 8 | 40 | DAO | S20W44 | |
| 2011/12/25 | 2 | 150 | HSX | S19W54 | |
| 2011/12/26 | 2 | 100 | CSO | S18W68 | |
| 2011/12/27 | 1 | 120 | HSX | S18W80 | |
| 2011/12/28 | 1 | 80 | HSX | S18W93 |
| B | C |
|---|---|
| 1 | 4 |
The top 5 solar flares from sunspot region 11381
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.85 | 2011/12/22 | 01:56 | 02:08 | 02:20 | |
| 2 | C2.18 | 2011/12/20 | 00:38 | 00:44 | 00:50 | |
| 3 | C1.75 | 2011/12/17 | 23:37 | 23:44 | 23:49 | |
| 4 | C1.07 | 2011/12/18 | 01:21 | 01:26 | 01:32 | |
| 5 | B6.88 | 2011/12/18 | 03:18 | 03:22 | 03:29 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Latest forum messages
Penticton down? 701/21/2025 AR 3967 M3.3 CME 2The Terminator Theory and Implications for growth of Cycle 25 64AR 3967 32Filaments and prominences 615
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 | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 163.2 +45.8 |