Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 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) | |
|---|---|---|---|---|---|---|---|---|
| № 848 | S20 | E10 | 12 | 0160 | Beta | Jan 23, 2006 | Jan 30, 2006 | Feb 12, 2006 |
| № 847 | S08 | W72 | 01 | 0010 | Alpha | Jan 17, 2006 | Jan 23, 2006 | Feb 6, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to January 2006. The gray background is the average SSN index.
