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 |
|---|---|---|---|---|---|---|---|
| № 517 | S07 W92 | 01 | Hsx | 0030 | 02 | 146 | Alpha |
| № 520 | N02 E47 | 01 | Hsx | 0100 | 02 | 007 | Alpha |
| № 521 | S12 E48 | 04 | Cso | 0090 | 06 | 004 | Beta |
H-alpha plages without spots
No H-alpha plages without spots can be currently observed on the Sun's surface