Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 847 | S08 | W33 | 08 | 0060 | Beta | Jan 16, 2006 | Jan 23, 2006 | Feb 6, 2006 |
| № 846 | N04 | W54 | 08 | 0070 | Beta | Jan 15, 2006 | Jan 22, 2006 | Feb 4, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to January 2006. The gray background is the average SSN index.
