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 |
|---|---|---|---|---|---|---|---|
| № 1838 | S05 E55 | 01 | hsx | 0020 | 01 | 223 | alpha |
| № 1837 | S16 W73 | 05 | dao | 0110 | 09 | 351 | beta |
| № 1836 | N11 W67 | 05 | cao | 0130 | 08 | 345 | beta |
H-alpha plages without spots
No H-alpha plages without spots can be currently observed on the Sun's surface
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, September. Gray background - average solar cycle.
