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) | |
|---|---|---|---|---|---|---|---|---|
| № 809 | N10 | E35 | 01 | 0020 | Alpha | Sep 15, 2005 | Sep 21, 2005 | Oct 5, 2005 |
| № 808 | S09 | E45 | 38 | 1400 | Beta-Gamma-Delta | Sep 15, 2005 | Sep 22, 2005 | Oct 6, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, September. Gray background - average solar cycle.
