Sunspot region AR12681
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/09/21 | 1 | 60 | HSX | S12E73 | |
| 2017/09/22 | 1 | 80 | HSX | S13E59 | |
| 2017/09/23 | 1 | 80 | HSX | S13E46 | |
| 2017/09/24 | 2 | 90 | CSO | S13E32 | |
| 2017/09/25 | 1 | 90 | HSX | S13E19 | |
| 2017/09/26 | 3 | 100 | CSO | S12E04 | |
| 2017/09/27 | 7 | 120 | CSO | S15W09 | |
| 2017/09/28 | 1 | 80 | HSX | S13W21 | |
| 2017/09/29 | 1 | 70 | HSX | S14W35 | |
| 2017/09/30 | 1 | 70 | HSX | S14W48 | |
| 2017/10/01 | 1 | 60 | HSX | S14W61 | |
| 2017/10/02 | 1 | 60 | HSX | S14W74 |
2017/09/21
2017/09/22
2017/09/23
2017/09/24
2017/09/25
2017/09/26
2017/09/27
2017/09/28
2017/09/29
2017/09/30
2017/10/01
2017/10/02
|
2017/09/21
2017/09/22
2017/09/23
2017/09/24
2017/09/25
2017/09/26
2017/09/27
2017/09/28
2017/09/29
2017/09/30
2017/10/01
2017/10/02
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12681
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.18 | 2017/09/25 | 14:35 | 15:14 | 15:32 | |
| 2 | B7.78 | 2017/09/25 | 02:14 | 02:35 | 02:46 | |
| 3 | B3.81 | 2017/09/28 | 14:09 | 14:34 | 15:33 | |
| 4 | B3.47 | 2017/09/24 | 23:20 | 23:27 | 23:37 |
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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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |