Sunspot region AR12346
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/05/12 | 1 | 50 | HSX | S12E69 | |
| 2015/05/13 | 1 | 50 | HSX | S07E55 | |
| 2015/05/14 | 1 | 60 | HSX | S06E42 | |
| 2015/05/15 | 7 | 50 | CSO | S08E28 | |
| 2015/05/16 | 7 | 30 | CAO | S08E15 | |
| 2015/05/17 | 5 | 20 | CRO | S08W00 | |
| 2015/05/18 | 4 | 10 | BXO | S07W13 | |
| 2015/05/21 | 4 | 10 | BXO | S06W55 | |
| 2015/05/22 | 2 | 20 | CRO | S06W69 | |
| 2015/05/23 | 2 | 10 | BXO | S05W82 | |
| 2015/05/24 | 2 | 10 | BXO | S05W97 |
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/21
2015/05/22
2015/05/23
|
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/21
2015/05/22
2015/05/23
|
| B | C |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 12346
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.36 | 2015/05/21 | 06:01 | 06:11 | 06:17 | |
| 2 | B8.55 | 2015/05/21 | 05:22 | 05:37 | 05:53 | |
| 3 | B8.53 | 2015/05/20 | 18:31 | 18:36 | 18:41 |
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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 | 109.4 +22.7 |