Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 370 | N16 | E09 | 03 | 0020 | Beta | May 29, 2003 | Jun 5, 2003 | Jun 19, 2003 |
| № 368 | S32 | E20 | 01 | 0120 | Alpha | May 30, 2003 | Jun 6, 2003 | Jun 20, 2003 |
| № 367 | S14 | E13 | 03 | 0050 | Beta | May 29, 2003 | Jun 5, 2003 | Jun 19, 2003 |
| № 365 | S06 | W10 | 18 | 0210 | Beta | 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.