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 |
|---|---|---|---|---|---|---|---|
| № 677 | N02 W21 | 02 | axx | 0010 | 01 | 141 | alpha |
| № 676 | S12 E25 | 01 | hsx | 0040 | 02 | 095 | alpha |
| № 675 | S09 W19 | 02 | hsx | 0090 | 03 | 139 | alpha |
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 1975, January to 2004, October. Gray background - average solar cycle.
