Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1004 | S08 | W16 | 02 | 0010 | Alpha | Oct 11, 2008 | Oct 18, 2008 | Oct 31, 2008 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1979 to October 2008. The gray background is the average SSN index.
