Sunspot region AR12540
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/05/01 | 2 | 20 | HRX | N21E51 | |
| 2016/05/02 | 3 | 20 | HRX | N21E38 | |
| 2016/05/03 | 3 | 10 | BXO | N22E24 |
2016/05/01
2016/05/02
2016/05/03
|
2016/05/01
2016/05/02
2016/05/03
|
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 12540
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.08 | 2016/05/02 | 08:32 | 08:42 | 08:47 | |
| 2 | B7.96 | 2016/05/01 | 14:06 | 14:15 | 14:28 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 107.7 +21.8 |
| Last 30 days | 100 +44.8 |
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