Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 694 | N17 | E07 | 07 | 0010 | Beta | Nov 1, 2004 | Nov 7, 2004 | Nov 21, 2004 |
| № 693 | S14 | E46 | 12 | 0590 | Beta-Gamma | Nov 3, 2004 | Nov 10, 2004 | Nov 24, 2004 |
| № 692 | S18 | W42 | 01 | 0020 | Alpha | Oct 28, 2004 | Nov 4, 2004 | Nov 17, 2004 |
| № 691 | N13 | W13 | 12 | 0120 | Beta | Oct 30, 2004 | Nov 6, 2004 | Nov 19, 2004 |
| № 690 | N00 | W14 | 03 | 0070 | Alpha | Oct 30, 2004 | Nov 6, 2004 | Nov 19, 2004 |
| № 689 | N12 | W30 | 01 | 0050 | Alpha | Oct 29, 2004 | Nov 5, 2004 | Nov 18, 2004 |
| № 687 | N12 | W50 | 13 | 0160 | Beta-Gamma | Oct 27, 2004 | Nov 3, 2004 | Nov 17, 2004 |
| № 684 | S04 | W94 | 01 | 0060 | Alpha | Oct 24, 2004 | Oct 31, 2004 | Nov 13, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to October 2004. The gray background is the average SSN index.
