Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 2005. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 763 | S16 | E31 | 13 | 0130 | Beta | May 18, 2005 | May 25, 2005 | Jun 8, 2005 |
| № 762 | S12 | W37 | 13 | 0090 | Beta | May 13, 2005 | May 20, 2005 | Jun 3, 2005 |
| № 759 | N11 | W07 | 22 | 0350 | Beta | May 15, 2005 | May 22, 2005 | Jun 5, 2005 |
| № 758 | S10 | W90 | 03 | 0150 | Alpha | May 9, 2005 | May 16, 2005 | May 30, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to May 2005. The gray background is the average SSN index.