Sunspot region AR12847
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/20 | 3 | 20 | CRO | S29E74 | |
| 2021/07/21 | 3 | 20 | CRO | S27E61 | |
| 2021/07/22 | 1 | 40 | HRX | S28E47 | |
| 2021/07/23 | 1 | 20 | HRX | S28E28 | |
| 2021/07/24 | 1 | 10 | HRX | S27E24 | |
| 2021/07/25 | 1 | 0 | AXX | S27E13 | |
| 2021/07/26 | 1 | 10 | AXX | S28W00 | |
| 2021/07/27 | 1 | 0 | AXX | S28W14 | |
| 2021/07/28 | 1 | 0 | AXX | S28W28 |
2021/07/20
2021/07/21
2021/07/22
2021/07/23
2021/07/24
2021/07/25
2021/07/26
2021/07/27
2021/07/28
|
2021/07/20
2021/07/21
2021/07/22
2021/07/23
2021/07/24
2021/07/25
2021/07/26
2021/07/27
2021/07/28
|
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12847
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.9 | 2021/07/21 | 10:53 | 11:00 | 11:07 | |
| 2 | B3.4 | 2021/07/21 | 02:00 | 02:09 | 02:15 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 126.5 -7.7 |
| Last 30 days | 126.1 -2.1 |