Sunspot region AR13398
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/08/07 | 4 | 20 | CSO | S20W50 | |
| 2023/08/08 | 4 | 20 | CAO | S20W64 | |
| 2023/08/09 | 2 | 10 | AXX | S21W72 | |
| 2023/08/10 | 2 | 10 | AXX | S21W85 |
2023/08/07
2023/08/08
2023/08/09
2023/08/10
|
2023/08/07
2023/08/08
2023/08/09
2023/08/10
|
| C |
|---|
| 6 |
The top 6 solar flares from sunspot region 13398
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.6 | 2023/08/10 | 22:09 | 22:21 | 22:33 | |
| 2 | C5.4 | 2023/08/10 | 02:26 | 02:42 | 02:59 | |
| 3 | C5.0 | 2023/08/11 | 04:43 | 04:55 | 05:12 | |
| 4 | C3.2 | 2023/08/10 | 20:09 | 20:16 | 20:27 | |
| 5 | C2.5 | 2023/08/11 | 04:12 | 04:25 | 04:31 | |
| 6 | C2.3 | 2023/08/11 | 04:31 | 04:38 | 04:42 |
Latest news
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Latest forum messages
AR 3976 / AR 3977 / AR 3978 81Strong far side CME 380Something huge fell on the Sun today 8Filaments and prominences 664AR 3981 1
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M1.4 |
| 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 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |