Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 433 | S23 | E15 | 02 | 0010 | Beta | Aug 17, 2003 | Aug 24, 2003 | Sep 7, 2003 |
| № 432 | S05 | E54 | 01 | 0030 | Alpha | Aug 20, 2003 | Aug 27, 2003 | Sep 10, 2003 |
| № 431 | S13 | W00 | 46 | 0500 | Beta-Gamma-Delta | Aug 16, 2003 | Aug 23, 2003 | Sep 6, 2003 |
| № 429 | S24 | W63 | 07 | 0030 | Beta | Aug 11, 2003 | Aug 18, 2003 | Sep 1, 2003 |
| № 424 | S18 | W96 | 02 | 0090 | Beta | Aug 9, 2003 | Aug 16, 2003 | Aug 29, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to August 2003. The gray background is the average SSN index.
