Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 470 | S13 | E28 | 06 | 0030 | Beta | Oct 3, 2003 | Oct 10, 2003 | Oct 24, 2003 |
| № 469 | S10 | W56 | 03 | 0030 | Alpha | Sep 27, 2003 | Oct 4, 2003 | Oct 17, 2003 |
| № 467 | S11 | W36 | 01 | 0010 | Alpha | Sep 29, 2003 | Oct 5, 2003 | Oct 19, 2003 |
| № 466 | S05 | W27 | 05 | 0050 | Beta | Sep 29, 2003 | Oct 6, 2003 | Oct 20, 2003 |
| № 464 | N03 | W52 | 43 | 0530 | Beta-Gamma | Sep 27, 2003 | Oct 4, 2003 | Oct 18, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to September 2003. The gray background is the average SSN index.