Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 423 | S19 | W03 | 02 | 0020 | Beta | Aug 2, 2003 | Aug 9, 2003 | Aug 22, 2003 |
| № 422 | N14 | W80 | 05 | 0100 | Beta | Jul 27, 2003 | Aug 3, 2003 | Aug 16, 2003 |
| № 421 | S08 | E28 | 17 | 0230 | Beta | Aug 4, 2003 | Aug 11, 2003 | Aug 24, 2003 |
| № 420 | N11 | W15 | 01 | 0080 | 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.
