Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 771 | N24 | W33 | 03 | 0040 | Beta | May 29, 2005 | Jun 5, 2005 | Jun 19, 2005 |
| № 770 | N12 | W14 | 07 | 0060 | Beta | May 31, 2005 | Jun 7, 2005 | Jun 20, 2005 |
| № 769 | S08 | E49 | 04 | 0020 | Beta | Jun 5, 2005 | Jun 11, 2005 | Jun 25, 2005 |
| № 767 | S09 | W44 | 22 | 0240 | Beta-Gamma | May 29, 2005 | Jun 4, 2005 | Jun 18, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to May 2005. The gray background is the average SSN index.
