Sunspot region AR12915
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/21 | 3 | 30 | DSO | N16E34 | |
| 2021/12/22 | 3 | 30 | DRO | N16E22 | |
| 2021/12/23 | 2 | 30 | CRO | N16E08 | |
| 2021/12/24 | 3 | 20 | CRO | N16W03 | |
| 2021/12/25 | 1 | 10 | AXX | N16W16 |
2021/12/21
2021/12/22
2021/12/23
2021/12/24
2021/12/25
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2021/12/21
2021/12/22
2021/12/23
2021/12/24
2021/12/25
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 12915
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.0 | 2021/12/27 | 00:27 | 00:34 | 00:38 |
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 | 85.9 -0 |
| Last 30 days | 92.1 +30.2 |
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