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 | W79 | 02 | 0060 | beta | Sep 8, 2006 | Sep 15, 2006 | Sep 28, 2006 |
| № 908 | S13 | W33 | 05 | 0190 | beta | Sep 11, 2006 | Sep 18, 2006 | Oct 2, 2006 |
| № 907 | S12 | W61 | 01 | 0020 | alpha | Sep 9, 2006 | Sep 16, 2006 | Sep 30, 2006 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1977, January to 2006, September. Gray background - average solar cycle.
