Sunspot region AR12737
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2019/04/01 | 4 | 10 | BXO | N12E43 | |
| 2019/04/02 | 7 | 30 | CRO | N12E29 | |
| 2019/04/03 | 8 | 40 | CAO | N12E14 | |
| 2019/04/04 | 7 | 10 | BXO | N13E02 |
2019/04/01
2019/04/02
2019/04/03
2019/04/04
|
2019/04/01
2019/04/02
2019/04/03
2019/04/04
|
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
Filaments and prominences 536AR4401 34Current Farside Activity 436AR4399 7Filament CME from march 22nd 30
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |