Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 815 | N08 | E34 | 01 | 0040 | Alpha | Oct 21, 2005 | Oct 28, 2005 | Nov 11, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, October. Gray background - average solar cycle.
