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) | |
|---|---|---|---|---|---|---|---|---|
| № 692 | S18 | E18 | 06 | 0110 | Beta | Oct 28, 2004 | Nov 4, 2004 | Nov 18, 2004 |
| № 691 | N15 | E50 | 17 | 0150 | Beta-Gamma-Delta | Oct 31, 2004 | Nov 6, 2004 | Nov 20, 2004 |
| № 690 | S01 | E42 | 02 | 0070 | Alpha | Oct 30, 2004 | Nov 6, 2004 | Nov 19, 2004 |
| № 689 | N12 | E24 | 03 | 0060 | Alpha | Oct 29, 2004 | Nov 4, 2004 | Nov 18, 2004 |
| № 687 | N12 | E05 | 48 | 0370 | Beta-Gamma | Oct 27, 2004 | Nov 3, 2004 | Nov 17, 2004 |
| № 684 | S04 | W37 | 10 | 0100 | Beta | Oct 24, 2004 | Oct 31, 2004 | Nov 13, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, October. Gray background - average solar cycle.

