Sunspot region AR12315
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/03/29 | 2 | 10 | CAO | S19W16 | |
| 2015/03/30 | 8 | 30 | DRO | S20W29 | |
| 2015/03/31 | 5 | 30 | CRO | S20W41 | |
| 2015/04/01 | 3 | 20 | CAO | S21W53 | |
| 2015/04/02 | 6 | 10 | BXO | S21W66 |
2015/03/29
2015/03/30
2015/03/31
2015/04/01
2015/04/02
|
2015/03/29
2015/03/30
2015/03/31
2015/04/01
2015/04/02
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 12315
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.18 | 2015/03/29 | 11:28 | 11:32 | 11:36 | |
| 2 | C1.15 | 2015/04/02 | 13:42 | 13:47 | 13:53 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
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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 | 88.1 +2.2 |
| Last 30 days | 93.2 +32.7 |
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