Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 764 | S06 | W15 | 04 | 0060 | Beta | May 13, 2005 | May 20, 2005 | Jun 2, 2005 |
| № 763 | S14 | E54 | 08 | 0150 | Beta | May 18, 2005 | May 25, 2005 | Jun 8, 2005 |
| № 762 | S12 | W15 | 11 | 0130 | Beta | May 13, 2005 | May 20, 2005 | Jun 3, 2005 |
| № 760 | S08 | W62 | 02 | 0080 | Beta | May 10, 2005 | May 16, 2005 | May 30, 2005 |
| № 759 | N12 | E16 | 10 | 0300 | Beta | May 15, 2005 | May 22, 2005 | Jun 5, 2005 |
| № 758 | S10 | W69 | 15 | 0420 | Beta-Gamma | May 9, 2005 | May 16, 2005 | May 29, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to May 2005. The gray background is the average SSN index.