Sunspot region AR12859
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/08/21 | 3 | 80 | CAO | N20E72 | |
| 2021/08/22 | 6 | 140 | CAO | N20E58 | |
| 2021/08/23 | 4 | 160 | CAO | N21E46 | |
| 2021/08/24 | 4 | 150 | HSX | N20E33 | |
| 2021/08/25 | 3 | 70 | HSX | N20E20 | |
| 2021/08/26 | 4 | 50 | DSO | N16E06 | |
| 2021/08/27 | 6 | 50 | CSO | N18W07 | |
| 2021/08/28 | 7 | 40 | CAO | N17W20 | |
| 2021/08/29 | 1 | 10 | HRX | N22W34 | |
| 2021/08/30 | 1 | 0 | AXX | N18W47 | |
| 2021/08/31 | 1 | 10 | AXX | N18W60 | |
| 2021/09/01 | 1 | 10 | AXX | N18W73 | |
| 2021/09/02 | 1 | 10 | AXX | N18W87 |
2021/08/21
2021/08/22
2021/08/23
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
|
2021/08/21
2021/08/22
2021/08/23
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
|
| B | C |
|---|---|
| 29 | 9 |
The top 10 solar flares from sunspot region 12859
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.1 | 2021/08/20 | 15:50 | 15:57 | 16:01 | |
| 2 | C3.0 | 2021/08/26 | 17:48 | 18:18 | 18:42 | |
| 3 | C2.3 | 2021/08/20 | 16:41 | 16:49 | 16:59 | |
| 4 | C1.9 | 2021/08/22 | 10:16 | 10:20 | 10:24 | |
| 5 | C1.8 | 2021/08/20 | 15:45 | 15:48 | 15:50 | |
| 6 | C1.5 | 2021/08/24 | 14:18 | 14:49 | 15:09 | |
| 7 | C1.4 | 2021/08/20 | 21:30 | 22:00 | 22:14 | |
| 8 | C1.2 | 2021/08/22 | 04:09 | 04:14 | 04:22 | |
| 9 | C1.0 | 2021/08/22 | 00:43 | 00:52 | 00:56 | |
| 10 | B9.4 | 2021/08/20 | 14:17 | 14:30 | 14:51 |
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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 |