Sunspot region AR12831
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/06/07 | 1 | 10 | HRX | N24W83 |
2021/06/07
|
2021/06/07
|
| B | C |
|---|---|
| 3 | 2 |
The top 5 solar flares from sunspot region 12831
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.8 | 2021/06/09 | 08:44 | 09:07 | 09:22 | |
| 2 | C1.8 | 2021/06/09 | 11:50 | 11:59 | 12:03 | |
| 3 | B8.8 | 2021/06/09 | 19:27 | 19:48 | 20:04 | |
| 4 | B8.0 | 2021/06/09 | 19:09 | 19:24 | 19:27 | |
| 5 | B4.5 | 2021/06/10 | 09:00 | 09:08 | 09:20 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Space Weather Memes 768AR 4325 18Incoming & Unnumbered Active Regions 76Coronal Hole 10 + CME M4.2 from 28 Dec. 7Filaments and prominences 419
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/29 | M1.0 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 118 +26.2 |
| Last 30 days | 118 +29.4 |