Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 21, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 885 | S12 | E46 | 02 | 0040 | Beta | May 25, 2006 | Jun 1, 2006 | Jun 15, 2006 |
| № 884 | S13 | E35 | 07 | 0090 | Beta | May 24, 2006 | May 31, 2006 | Jun 14, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to May 2006. The gray background is the average SSN index.
