Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 910 | S10 | W04 | 07 | 0050 | Beta | Sep 24, 2006 | Sep 30, 2006 | Oct 14, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to September 2006. The gray background is the average SSN index.
