Sunspot region AR12309
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/03/23 | 3 | 10 | BXO | N11W11 | |
| 2015/03/24 | 3 | 20 | CRO | N15W24 | |
| 2015/03/25 | 1 | 0 | AXX | N14W36 | |
| 2015/03/28 | 2 | 60 | DAO | N14W79 | |
| 2015/03/29 | 4 | 80 | DAO | N15W87 | |
| 2015/03/30 | 4 | 80 | DAO | N15W0* |
2015/03/23
2015/03/24
2015/03/25
2015/03/28
2015/03/29
|
2015/03/23
2015/03/24
2015/03/25
2015/03/28
2015/03/29
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 12309
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.53 | 2015/03/27 | 15:06 | 15:09 | 15:12 | |
| 2 | C2.3 | 2015/03/27 | 12:37 | 12:43 | 12:46 | |
| 3 | C1.84 | 2015/03/27 | 16:32 | 16:36 | 16:38 | |
| 4 | C1.61 | 2015/03/27 | 14:30 | 14:35 | 14:37 |
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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 | 114.3 +22.5 |
| Last 30 days | 110.4 +23.9 |