Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 662 | N12 | E29 | 03 | 0020 | Beta | Aug 22, 2004 | Aug 29, 2004 | Sep 12, 2004 |
| № 661 | N10 | E08 | 13 | 0540 | Beta-Gamma | Aug 21, 2004 | Aug 27, 2004 | Sep 10, 2004 |
| № 656 | S13 | W90 | 07 | 0190 | Beta | Aug 13, 2004 | Aug 20, 2004 | Sep 3, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, August. Gray background - average solar cycle.
