Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 427 | N04 | W20 | 11 | 0060 | Beta | Aug 4, 2003 | Aug 11, 2003 | Aug 24, 2003 |
| № 426 | S12 | E14 | 07 | 0030 | Beta | Aug 6, 2003 | Aug 13, 2003 | Aug 27, 2003 |
| № 425 | S08 | E46 | 11 | 0140 | Beta | Aug 9, 2003 | Aug 16, 2003 | Aug 29, 2003 |
| № 424 | S18 | E48 | 16 | 0580 | Beta | Aug 9, 2003 | Aug 16, 2003 | Aug 30, 2003 |
| № 423 | S15 | W42 | 02 | 0020 | Beta | Aug 2, 2003 | Aug 9, 2003 | Aug 23, 2003 |
| № 421 | S08 | W18 | 26 | 0170 | Beta-Gamma | Aug 4, 2003 | Aug 11, 2003 | Aug 24, 2003 |
| № 420 | N11 | W61 | 01 | 0060 | Alpha | Aug 1, 2003 | Aug 7, 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.
