Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 798 | S08 | E25 | 03 | 0010 | Beta | Aug 20, 2005 | Aug 27, 2005 | Sep 9, 2005 |
| № 797 | S14 | W10 | 25 | 0130 | Beta-Gamma | 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.
