Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 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) | |
|---|---|---|---|---|---|---|---|---|
| № 446 | S22 | E32 | 02 | 0020 | Beta | Sep 1, 2003 | Sep 8, 2003 | Sep 22, 2003 |
| № 445 | N03 | E06 | 12 | 0110 | Beta | Aug 30, 2003 | Sep 6, 2003 | Sep 19, 2003 |
| № 444 | N10 | E04 | 06 | 0030 | Beta | Aug 30, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 442 | S13 | W00 | 05 | 0090 | Beta | Aug 29, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 441 | N13 | W37 | 13 | 0100 | Beta | Aug 27, 2003 | Sep 2, 2003 | Sep 16, 2003 |
| № 440 | S07 | W81 | 01 | 0020 | Alpha | Aug 23, 2003 | Aug 30, 2003 | Sep 13, 2003 |
| № 436 | N07 | W64 | 07 | 0040 | Beta | Aug 24, 2003 | Aug 31, 2003 | Sep 14, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to August 2003. The gray background is the average SSN index.