Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 28, 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 | E82 | 01 | 0120 | Alpha | Jun 4, 2003 | Jun 11, 2003 | Jun 24, 2003 |
| № 372 | S14 | W02 | 04 | 0020 | Beta | May 29, 2003 | Jun 5, 2003 | Jun 18, 2003 |
| № 371 | S13 | W09 | 01 | 0010 | Alpha | May 28, 2003 | Jun 4, 2003 | Jun 18, 2003 |
| № 368 | S32 | E12 | 08 | 0100 | Beta | May 30, 2003 | Jun 6, 2003 | Jun 20, 2003 |
| № 367 | S14 | E05 | 04 | 0030 | Beta | May 29, 2003 | Jun 5, 2003 | Jun 19, 2003 |
| № 365 | S07 | W18 | 38 | 0400 | 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.
