Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 17, 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 | E04 | 28 | 0190 | Beta-Gamma | May 18, 2005 | May 25, 2005 | Jun 8, 2005 |
| № 762 | S12 | W68 | 01 | 0030 | Alpha | May 13, 2005 | May 20, 2005 | Jun 2, 2005 |
| № 759 | N11 | W35 | 11 | 0300 | Beta | May 15, 2005 | May 22, 2005 | Jun 5, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to May 2005. The gray background is the average SSN index.
