Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 933 | S04 | E80 | 01 | 0060 | Alpha | Jan 7, 2007 | Jan 14, 2007 | Jan 27, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to December 2006. The gray background is the average SSN index.
