Sunspot region AR12911
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/16 | 3 | 20 | CRO | N19E70 | |
| 2021/12/17 | 4 | 80 | CAO | N21E54 | |
| 2021/12/18 | 6 | 80 | CAO | N21E39 | |
| 2021/12/19 | 3 | 50 | HAX | N20E24 | |
| 2021/12/20 | 2 | 20 | HRX | N21E13 | |
| 2021/12/21 | 1 | 20 | HRX | N19E17 | |
| 2021/12/22 | 1 | 10 | AXX | N20W12 | |
| 2021/12/23 | 1 | 10 | AXX | N20W26 | |
| 2021/12/24 | 1 | 10 | AXX | N20W39 |
2021/12/16
2021/12/17
2021/12/18
2021/12/19
2021/12/20
2021/12/21
2021/12/22
2021/12/23
2021/12/24
|
2021/12/16
2021/12/17
2021/12/18
2021/12/19
2021/12/20
2021/12/21
2021/12/22
2021/12/23
2021/12/24
|
| B | C | M |
|---|---|---|
| 1 | 10 | 1 |
The top 10 solar flares from sunspot region 12911
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.29 | 2021/12/17 | 00:39 | 00:51 | 00:56 | |
| 2 | C3.0 | 2021/12/16 | 20:29 | 20:44 | 21:06 | |
| 3 | C2.3 | 2021/12/16 | 19:58 | 20:09 | 20:20 | |
| 4 | C2.0 | 2021/12/16 | 13:34 | 13:41 | 13:45 | |
| 5 | C1.5 | 2021/12/17 | 03:25 | 03:31 | 03:41 | |
| 6 | C1.5 | 2021/12/17 | 17:39 | 17:53 | 18:08 | |
| 7 | C1.4 | 2021/12/17 | 05:06 | 05:10 | 05:15 | |
| 8 | C1.3 | 2021/12/17 | 04:50 | 04:58 | 05:02 | |
| 9 | C1.3 | 2021/12/17 | 06:18 | 06:25 | 06:30 | |
| 10 | C1.2 | 2021/12/17 | 04:01 | 04:08 | 04:12 |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Latest forum messages
AR 4000 31Unexplained proton activity 49Growth of Cycle 25 803Filaments and prominences 670AR 3998 21
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 | 2025/02/21 | M1.4 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 151.4 +14.4 |
| Last 30 days | 149 -14 |