Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 368 | S32 | E72 | 01 | 0180 | Alpha | May 30, 2003 | Jun 6, 2003 | Jun 20, 2003 |
| № 367 | S14 | E65 | 01 | 0050 | Beta | May 29, 2003 | Jun 5, 2003 | Jun 19, 2003 |
| № 366 | N11 | E58 | 02 | 0020 | Alpha | May 29, 2003 | Jun 4, 2003 | Jun 18, 2003 |
| № 365 | S07 | E34 | 04 | 0040 | Beta | May 27, 2003 | Jun 3, 2003 | Jun 16, 2003 |
| № 364 | S26 | W71 | 09 | 0050 | Beta | May 19, 2003 | May 26, 2003 | Jun 9, 2003 |
| № 362 | S11 | W19 | 15 | 0100 | Beta | May 23, 2003 | May 30, 2003 | Jun 12, 2003 |
| № 357 | S16 | W77 | 08 | 0060 | Beta | May 18, 2003 | May 25, 2003 | Jun 8, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.