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) | |
|---|---|---|---|---|---|---|---|---|
| № 804 | N11 | E13 | 05 | 0030 | Beta | Aug 28, 2005 | Sep 4, 2005 | Sep 17, 2005 |
| № 803 | N12 | E68 | 10 | 0200 | Beta | Sep 1, 2005 | Sep 8, 2005 | Sep 21, 2005 |
| № 802 | S12 | E01 | 01 | 0010 | Alpha | Aug 27, 2005 | Sep 3, 2005 | Sep 16, 2005 |
| № 800 | N17 | W34 | 20 | 0210 | Beta | Aug 24, 2005 | Aug 31, 2005 | Sep 14, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, August. Gray background - average solar cycle.

