Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 13, 2008. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1005 | N27 | E30 | 06 | 0070 | Beta | Oct 16, 2008 | Oct 23, 2008 | Nov 6, 2008 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1979 to October 2008. The gray background is the average SSN index.