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) | |
|---|---|---|---|---|---|---|---|---|
| № 909 | S09 | W03 | 15 | 0060 | Beta | Sep 10, 2006 | Sep 16, 2006 | Sep 30, 2006 |
| № 908 | S13 | E33 | 03 | 0260 | Alpha | Sep 12, 2006 | Sep 19, 2006 | Oct 3, 2006 |
| № 907 | S13 | E04 | 01 | 0010 | Alpha | Sep 10, 2006 | Sep 17, 2006 | Oct 1, 2006 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1977, January to 2006, September. Gray background - average solar cycle.
