Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 932 | S08 | E10 | 02 | 0010 | Beta | Dec 30, 2006 | Jan 5, 2007 | Jan 19, 2007 |
| № 931 | S07 | E29 | 01 | 0010 | Alpha | Dec 31, 2006 | Jan 7, 2007 | Jan 20, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to December 2006. The gray background is the average SSN index.
