Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 6, 2004. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 655 | S09 | W09 | 26 | 0170 | Beta | Aug 6, 2004 | Aug 13, 2004 | Aug 27, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to August 2004. The gray background is the average SSN index.