Sunspot region AR12724
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2018/10/13 | 1 | 20 | HRX | S08E57 | |
| 2018/10/14 | 1 | 10 | HSX | S08E40 | |
| 2018/10/15 | 1 | 10 | AXX | S07E27 |
2018/10/13
2018/10/14
2018/10/15
|
2018/10/13
2018/10/14
2018/10/15
|
| B | C |
|---|---|
| 3 | 1 |
The top 4 solar flares from sunspot region 12724
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.02 | 2018/10/12 | 14:04 | 14:08 | 14:13 | |
| 2 | B5.2 | 2021/05/27 | 00:58 | 01:01 | 01:18 | |
| 3 | B3.34 | 2018/10/13 | 13:28 | 13:34 | 13:42 | |
| 4 | B3.05 | 2018/10/12 | 01:43 | 01:50 | 01:56 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |