Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 849 | S07 | E44 | 01 | 0010 | Alpha | Jan 27, 2006 | Feb 3, 2006 | Feb 17, 2006 |
| № 848 | S19 | W15 | 39 | 0250 | Beta-Gamma-Delta | Jan 23, 2006 | Jan 30, 2006 | Feb 12, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to January 2006. The gray background is the average SSN index.