Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 4, 2003. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 473 | S07 | E20 | 01 | 0100 | Alpha | Oct 7, 2003 | Oct 13, 2003 | Oct 27, 2003 |
| № 472 | S22 | W31 | 05 | 0020 | Beta | Oct 3, 2003 | Oct 10, 2003 | Oct 23, 2003 |
| № 471 | S08 | E35 | 31 | 0200 | Beta-Gamma | Oct 8, 2003 | Oct 14, 2003 | Oct 28, 2003 |
| № 470 | S17 | W26 | 05 | 0020 | Beta | Oct 3, 2003 | Oct 10, 2003 | Oct 24, 2003 |
| № 466 | S06 | W78 | 01 | 0010 | Alpha | Sep 29, 2003 | Oct 6, 2003 | Oct 19, 2003 |
| № 464 | N06 | W91 | 01 | 0170 | Alpha | Sep 28, 2003 | Oct 5, 2003 | Oct 18, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to October 2003. The gray background is the average SSN index.
