Sunspot region AR12811
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/03/21 | 2 | 10 | BXO | N21E58 | |
| 2021/03/22 | 2 | 40 | BXO | N21E44 | |
| 2021/03/23 | 5 | 50 | CAO | N20E33 | |
| 2021/03/24 | 5 | 10 | BXO | N20E21 | |
| 2021/03/25 | 3 | 20 | BXO | N20E07 | |
| 2021/03/26 | 3 | 10 | BXO | N20W07 | |
| 2021/03/27 | 2 | 10 | BXO | N20W21 |
2021/03/21
2021/03/22
2021/03/23
2021/03/24
2021/03/25
2021/03/26
2021/03/27
|
2021/03/21
2021/03/22
2021/03/23
2021/03/24
2021/03/25
2021/03/26
2021/03/27
|
| B |
|---|
| 16 |
The top 10 solar flares from sunspot region 12811
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.4 | 2021/03/30 | 19:46 | 20:05 | 20:18 | |
| 2 | B2.1 | 2021/03/20 | 15:31 | 15:53 | 16:09 | |
| 3 | B2.1 | 2021/03/20 | 15:31 | 15:50 | 16:10 | |
| 4 | B1.8 | 2021/03/22 | 20:33 | 20:40 | 20:44 | |
| 5 | B1.5 | 2021/03/20 | 23:22 | 23:39 | 23:51 | |
| 6 | B1.5 | 2021/03/22 | 18:25 | 18:40 | 18:52 | |
| 7 | B1.5 | 2021/03/24 | 04:01 | 04:07 | 04:13 | |
| 8 | B1.2 | 2021/03/21 | 16:09 | 16:18 | 16:27 | |
| 9 | B1.2 | 2021/03/21 | 21:37 | 21:46 | 21:55 | |
| 10 | B1.2 | 2021/03/23 | 16:38 | 16:42 | 16:48 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 128.8 -21.8 |