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) | |
|---|---|---|---|---|---|---|---|---|
| № 680 | N15 | W82 | 05 | 0080 | Beta | Oct 4, 2004 | Oct 11, 2004 | Oct 24, 2004 |
| № 676 | S13 | W53 | 03 | 0020 | Beta | Oct 6, 2004 | Oct 13, 2004 | Oct 26, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, October. Gray background - average solar cycle.
