Sunspot region AR12791
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2020/12/05 | 5 | 20 | BXO | S16E45 | |
| 2020/12/06 | 4 | 20 | BXO | S15E30 | |
| 2020/12/07 | 2 | 10 | AXX | S15E15 |
2020/12/05
2020/12/06
2020/12/07
|
2020/12/05
2020/12/06
2020/12/07
|
| B |
|---|
| 17 |
The top 10 solar flares from sunspot region 12791
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.8 | 2020/12/11 | 00:50 | 01:07 | 01:17 | |
| 2 | B5.0 | 2020/12/11 | 17:55 | 18:36 | 19:13 | |
| 3 | B3.2 | 2020/12/09 | 00:40 | 00:53 | 01:03 | |
| 4 | B3.1 | 2020/12/10 | 12:47 | 12:57 | 13:03 | |
| 5 | B3.0 | 2020/12/11 | 09:54 | 09:59 | 10:03 | |
| 6 | B2.7 | 2020/12/10 | 13:03 | 13:11 | 13:18 | |
| 7 | B2.7 | 2020/12/10 | 15:03 | 15:50 | 16:24 | |
| 8 | B2.4 | 2020/12/10 | 18:05 | 18:18 | 18:28 | |
| 9 | B1.8 | 2020/12/11 | 08:48 | 09:03 | 09:13 | |
| 10 | B1.7 | 2020/12/09 | 00:23 | 00:33 | 00:40 |
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
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| 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 | 114.8 +23 |
| Last 30 days | 109.3 +22.9 |