Sunspot region AR12860
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/08/24 | 5 | 110 | BXO | S28E41 | |
| 2021/08/25 | 6 | 170 | DAO | S27E31 | |
| 2021/08/26 | 12 | 150 | DAO | S30E14 | |
| 2021/08/27 | 22 | 330 | EKI | S29E02 | |
| 2021/08/28 | 27 | 340 | EKI | S27W11 | |
| 2021/08/29 | 23 | 320 | EKC | S29W23 | |
| 2021/08/30 | 20 | 240 | EAC | S29W36 | |
| 2021/08/31 | 16 | 240 | DAI | S27W51 | |
| 2021/09/01 | 14 | 220 | DAI | S27W64 | |
| 2021/09/02 | 6 | 220 | DAI | S27W78 | |
| 2021/09/03 | 6 | 220 | DAI | S29W90 |
2021/08/24
2021/08/25
2021/08/26
2021/08/27
2021/08/28
2021/08/29
2021/08/30
2021/08/31
2021/09/01
2021/09/02
2021/09/03
|
2021/08/24
2021/08/25
2021/08/26
2021/08/27
2021/08/28
2021/08/29
2021/08/30
2021/08/31
2021/09/01
2021/09/02
2021/09/03
|
| B | C | M |
|---|---|---|
| 54 | 28 | 1 |
The top 10 solar flares from sunspot region 12860
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M4.79 | 2021/08/28 | 05:39 | 06:11 | 06:23 | |
| 2 | C8.2 | 2021/08/29 | 09:54 | 10:03 | 10:07 | |
| 3 | C7.5 | 2021/08/29 | 00:34 | 00:44 | 00:50 | |
| 4 | C7.4 | 2021/08/27 | 20:32 | 21:09 | 21:43 | |
| 5 | C7.0 | 2021/08/28 | 05:01 | 05:05 | 05:09 | |
| 6 | C5.4 | 2021/08/29 | 00:15 | 00:28 | 00:34 | |
| 7 | C4.3 | 2021/08/28 | 08:38 | 08:46 | 08:58 | |
| 8 | C4.0 | 2021/08/26 | 23:16 | 23:22 | 23:26 | |
| 9 | C3.0 | 2021/08/29 | 17:01 | 17:30 | 17:51 | |
| 10 | C3.0 | 2021/08/30 | 21:25 | 21:34 | 21:38 |
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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 |