Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 356 | N15 | E47 | 01 | 0030 | Alpha | May 16, 2003 | May 22, 2003 | Jun 5, 2003 |
| № 351 | N09 | W55 | 01 | 0150 | Alpha | May 8, 2003 | May 15, 2003 | May 28, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.
