Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 373 | N08 | E41 | 01 | 0080 | Alpha | Jun 4, 2003 | Jun 11, 2003 | Jun 24, 2003 |
| № 368 | S32 | W26 | 06 | 0060 | Beta | May 30, 2003 | Jun 6, 2003 | Jun 20, 2003 |
| № 365 | S07 | W59 | 25 | 0800 | Beta-Gamma-Delta | May 28, 2003 | Jun 3, 2003 | Jun 17, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.
