Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 801 | N08 | E31 | 01 | 0000 | Alpha | Aug 26, 2005 | Sep 2, 2005 | Sep 16, 2005 |
| № 800 | N17 | E04 | 28 | 0130 | Beta | Aug 24, 2005 | Aug 31, 2005 | Sep 14, 2005 |
| № 798 | S11 | W64 | 15 | 0670 | Beta-Gamma-Delta | Aug 19, 2005 | Aug 26, 2005 | Sep 9, 2005 |
| № 797 | S13 | W92 | 01 | 0060 | Alpha | Aug 17, 2005 | Aug 24, 2005 | Sep 7, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to August 2005. The gray background is the average SSN index.
