Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 28, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 911 | N07 | E61 | 01 | 0020 | Alpha | Oct 3, 2006 | Oct 10, 2006 | Oct 24, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to September 2006. The gray background is the average SSN index.
