Active areas
Sunspots and active regions
| Group number | Sunspots Location on the Sun | The number of spots in the group | The classification by the Zurich's modified system | Area (millions of shares of the solar hemisphere) | Group length (in degrees) | Carrington Longitude (in degrees) | Group's magnet type |
|---|---|---|---|---|---|---|---|
| № 2813 | N21 W37 | 01 | Axx | 0010 | 01 | 159 | Alpha |
H-alpha plages without spots
No H-alpha plages without spots can be currently observed on the Sun's surface