Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 803 | N12 | E76 | 11 | 0030 | Beta | Sep 1, 2005 | Sep 8, 2005 | Sep 21, 2005 |
| № 802 | S12 | E12 | 01 | 0020 | Alpha | Aug 27, 2005 | Sep 3, 2005 | Sep 16, 2005 |
| № 800 | N17 | W23 | 28 | 0220 | Beta-Gamma | Aug 24, 2005 | Aug 31, 2005 | Sep 14, 2005 |
| № 798 | S11 | W92 | 07 | 0430 | Beta-Gamma | Aug 19, 2005 | Aug 26, 2005 | Sep 9, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to August 2005. The gray background is the average SSN index.