Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 880 | S09 | W71 | 01 | 0030 | Alpha | May 11, 2006 | May 17, 2006 | May 31, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to May 2006. The gray background is the average SSN index.
