Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 430 | S08 | W33 | 03 | 0020 | Beta | Aug 8, 2003 | Aug 15, 2003 | Aug 28, 2003 |
| № 429 | S24 | E13 | 09 | 0170 | Beta | Aug 11, 2003 | Aug 18, 2003 | Sep 1, 2003 |
| № 427 | N66 | W94 | 01 | 0070 | Alpha | Aug 1, 2003 | Aug 10, 2003 | Aug 28, 2003 |
| № 425 | S09 | W21 | 13 | 0180 | Beta | Aug 9, 2003 | Aug 16, 2003 | Aug 29, 2003 |
| № 424 | S18 | W18 | 24 | 0650 | Beta-Gamma | Aug 9, 2003 | Aug 16, 2003 | Aug 30, 2003 |
| № 421 | S07 | W88 | 01 | 0060 | Alpha | Aug 4, 2003 | Aug 10, 2003 | Aug 24, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to August 2003. The gray background is the average SSN index.
