Sunspot region AR12351
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/05/20 | 3 | 10 | BXO | N22E49 | |
| 2015/05/21 | 4 | 20 | CSO | N22E34 | |
| 2015/05/23 | 1 | 10 | AXX | N22E05 |
2015/05/20
2015/05/21
2015/05/23
|
2015/05/20
2015/05/21
2015/05/23
|
| B | C |
|---|---|
| 4 | 2 |
The top 6 solar flares from sunspot region 12351
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.34 | 2015/05/19 | 11:54 | 11:59 | 12:02 | |
| 2 | C1.94 | 2015/05/20 | 03:48 | 04:04 | 04:27 | |
| 3 | B7.94 | 2015/05/20 | 15:02 | 15:07 | 15:12 | |
| 4 | B6.6 | 2015/05/26 | 11:44 | 11:49 | 12:02 | |
| 5 | B4.87 | 2015/05/27 | 10:38 | 10:42 | 10:47 | |
| 6 | B3.97 | 2015/05/28 | 01:51 | 01:56 | 02:01 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 116.2 +3.6 |
| Last 30 days | 130.8 +34.3 |