Sunspot region AR12850
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/08/02 | 3 | 20 | CRO | S27W35 | |
| 2021/08/03 | 5 | 40 | CSO | S32W42 | |
| 2021/08/04 | 4 | 10 | BXO | S31W55 | |
| 2021/08/05 | 1 | 10 | AXX | S30W68 |
2021/08/02
2021/08/03
2021/08/04
2021/08/05
|
2021/08/02
2021/08/03
2021/08/04
2021/08/05
|
| B |
|---|
| 7 |
The top 7 solar flares from sunspot region 12850
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.9 | 2021/08/04 | 03:13 | 03:29 | 03:39 | |
| 2 | B5.4 | 2021/08/07 | 16:47 | 17:01 | 17:13 | |
| 3 | B2.5 | 2021/08/06 | 19:12 | 19:21 | 19:37 | |
| 4 | B1.9 | 2021/08/06 | 23:39 | 23:48 | 23:55 | |
| 5 | B1.2 | 2021/08/06 | 15:23 | 15:31 | 15:37 | |
| 6 | B1.1 | 2021/08/04 | 12:25 | 12:31 | 12:35 | |
| 7 | B1.0 | 2021/08/02 | 18:29 | 18:35 | 18:38 |
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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 |