Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 28, 2005. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 805 | S08 | E73 | 02 | 0060 | Beta | Sep 4, 2005 | Sep 10, 2005 | Sep 24, 2005 |
| № 804 | N11 | W14 | 01 | 0010 | Alpha | Aug 28, 2005 | Sep 4, 2005 | Sep 17, 2005 |
| № 803 | N11 | E40 | 26 | 0130 | Beta-Gamma | Sep 1, 2005 | Sep 8, 2005 | Sep 21, 2005 |
| № 801 | N09 | W31 | 05 | 0020 | Beta | Aug 27, 2005 | Sep 2, 2005 | Sep 16, 2005 |
| № 800 | N16 | W61 | 07 | 0060 | Beta | Aug 24, 2005 | Aug 31, 2005 | Sep 14, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to August 2005. The gray background is the average SSN index.