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) | |
|---|---|---|---|---|---|---|---|---|
| № 681 | N12 | W07 | 04 | 0010 | Beta | Oct 13, 2004 | Oct 20, 2004 | Nov 3, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, October. Gray background - average solar cycle.
