Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 806 | S17 | E37 | 14 | 0060 | Beta-Gamma | Sep 4, 2005 | Sep 11, 2005 | Sep 24, 2005 |
| № 805 | S08 | E34 | 05 | 0050 | Beta | Sep 4, 2005 | Sep 10, 2005 | Sep 24, 2005 |
| № 803 | N11 | E01 | 19 | 0040 | Beta-Gamma | Sep 1, 2005 | Sep 8, 2005 | Sep 21, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to August 2005. The gray background is the average SSN index.
