Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 469 | S09 | W22 | 06 | 0020 | Beta | Sep 27, 2003 | Oct 4, 2003 | Oct 18, 2003 |
| № 467 | S10 | W04 | 06 | 0030 | Beta | Sep 29, 2003 | Oct 5, 2003 | Oct 19, 2003 |
| № 466 | S05 | E07 | 07 | 0070 | Beta | Sep 29, 2003 | Oct 6, 2003 | Oct 20, 2003 |
| № 465 | S01 | W17 | 03 | 0010 | Beta | Sep 28, 2003 | Oct 4, 2003 | Oct 18, 2003 |
| № 464 | N05 | W18 | 54 | 0580 | Beta-Gamma | Sep 27, 2003 | Oct 4, 2003 | Oct 18, 2003 |
| № 463 | N09 | W61 | 01 | 0020 | Alpha | Sep 24, 2003 | Oct 1, 2003 | Oct 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to September 2003. The gray background is the average SSN index.
