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) | |
|---|---|---|---|---|---|---|---|---|
| № 806 | S17 | E51 | 06 | 0070 | Beta-Gamma | Sep 4, 2005 | Sep 11, 2005 | Sep 24, 2005 |
| № 805 | S08 | E48 | 03 | 0090 | Beta | Sep 4, 2005 | Sep 10, 2005 | Sep 24, 2005 |
| № 804 | N11 | W38 | 02 | 0010 | Beta | Aug 28, 2005 | Sep 4, 2005 | Sep 17, 2005 |
| № 803 | N11 | E15 | 13 | 0050 | Beta-Gamma | Sep 1, 2005 | Sep 8, 2005 | Sep 21, 2005 |
| № 801 | N09 | W56 | 02 | 0020 | Beta | Aug 27, 2005 | Sep 2, 2005 | Sep 16, 2005 |
| № 800 | N16 | W86 | 02 | 0030 | 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.

