Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 692 | S17 | E30 | 08 | 0070 | Beta | Oct 28, 2004 | Nov 4, 2004 | Nov 18, 2004 |
| № 691 | N15 | E59 | 11 | 0150 | Beta-Gamma-Delta | Oct 30, 2004 | Nov 6, 2004 | Nov 20, 2004 |
| № 690 | N00 | E53 | 03 | 0070 | Alpha | Oct 30, 2004 | Nov 6, 2004 | Nov 19, 2004 |
| № 689 | N11 | E34 | 01 | 0050 | Alpha | Oct 29, 2004 | Nov 4, 2004 | Nov 18, 2004 |
| № 687 | N12 | E15 | 44 | 0280 | Beta-Delta | Oct 27, 2004 | Nov 3, 2004 | Nov 17, 2004 |
| № 685 | S07 | W56 | 03 | 0020 | Alpha | Oct 22, 2004 | Oct 29, 2004 | Nov 11, 2004 |
| № 684 | S04 | W27 | 24 | 0150 | Beta | Oct 24, 2004 | Oct 31, 2004 | Nov 13, 2004 |
| № 682 | S12 | W86 | 04 | 0030 | Beta | Oct 20, 2004 | Oct 26, 2004 | Nov 9, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to October 2004. The gray background is the average SSN index.
