Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 443 | N15 | E05 | 04 | 0010 | Alpha | Aug 25, 2003 | Sep 1, 2003 | Sep 14, 2003 |
| № 442 | S12 | E61 | 03 | 0110 | Beta | Aug 29, 2003 | Sep 5, 2003 | Sep 18, 2003 |
| № 441 | N12 | E29 | 07 | 0030 | Beta | Aug 26, 2003 | Sep 2, 2003 | Sep 16, 2003 |
| № 440 | S07 | W10 | 15 | 0090 | Beta | Aug 24, 2003 | Aug 30, 2003 | Sep 13, 2003 |
| № 439 | N08 | W42 | 05 | 0040 | Beta | Aug 21, 2003 | Aug 28, 2003 | Sep 10, 2003 |
| № 436 | N07 | W01 | 32 | 0230 | Beta-Gamma | 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.