Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 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) | |
|---|---|---|---|---|---|---|---|---|
| № 376 | S11 | W04 | 06 | 0060 | Beta | Jun 5, 2003 | Jun 12, 2003 | Jun 25, 2003 |
| № 375 | N12 | E46 | 11 | 0390 | Beta-Gamma | Jun 9, 2003 | Jun 16, 2003 | Jun 29, 2003 |
| № 373 | N07 | W18 | 07 | 0130 | Beta | Jun 4, 2003 | Jun 11, 2003 | Jun 24, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to June 2003. The gray background is the average SSN index.