Sunspot region AR12720
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2018/08/25 | 5 | 30 | DRO | N08W24 | |
| 2018/08/26 | 7 | 100 | DAO | N08W39 | |
| 2018/08/27 | 5 | 60 | CSO | N08W55 | |
| 2018/08/28 | 2 | 50 | HSX | N08W68 | |
| 2018/08/29 | 1 | 10 | AXX | N07W83 |
2018/08/25
2018/08/26
2018/08/27
2018/08/28
2018/08/29
|
2018/08/25
2018/08/26
2018/08/27
2018/08/28
2018/08/29
|
| B |
|---|
| 9 |
The top 9 solar flares from sunspot region 12720
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.88 | 2018/08/25 | 10:35 | 10:48 | 11:01 | |
| 2 | B4.8 | 2018/08/25 | 03:04 | 03:09 | 03:12 | |
| 3 | B3.64 | 2018/08/25 | 02:00 | 02:05 | 02:09 | |
| 4 | B2.75 | 2018/08/25 | 21:24 | 21:28 | 21:30 | |
| 5 | B2.54 | 2018/08/25 | 05:21 | 05:25 | 05:29 | |
| 6 | B2.01 | 2018/08/25 | 07:01 | 07:04 | 07:06 | |
| 7 | B1.44 | 2018/08/25 | 07:36 | 07:40 | 07:54 | |
| 8 | B1.44 | 2018/08/25 | 18:29 | 18:33 | 18:37 | |
| 9 | B1.43 | 2018/08/24 | 12:47 | 12:50 | 12:57 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.1 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |