Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 426 | S12 | E34 | 05 | 0030 | Beta | Aug 6, 2003 | Aug 13, 2003 | Aug 27, 2003 |
| № 425 | S08 | E63 | 03 | 0120 | Beta | Aug 9, 2003 | Aug 15, 2003 | Aug 29, 2003 |
| № 424 | S18 | E66 | 06 | 0310 | Beta | Aug 9, 2003 | Aug 16, 2003 | Aug 29, 2003 |
| № 423 | S17 | W30 | 01 | 0010 | Alpha | Aug 2, 2003 | Aug 8, 2003 | Aug 22, 2003 |
| № 421 | S08 | E03 | 19 | 0180 | Beta | Aug 4, 2003 | Aug 11, 2003 | Aug 24, 2003 |
| № 420 | N11 | W41 | 01 | 0060 | Alpha | Aug 1, 2003 | Aug 8, 2003 | Aug 21, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to August 2003. The gray background is the average SSN index.