Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 843 | N13 | W38 | 04 | 0030 | Alpha | Jan 2, 2006 | Jan 9, 2006 | Jan 23, 2006 |
| № 841 | N13 | W61 | 04 | 0090 | Beta | Dec 31, 2005 | Jan 7, 2006 | Jan 21, 2006 |
| № 840 | S03 | W67 | 01 | 0000 | Alpha | Dec 31, 2005 | Jan 7, 2006 | Jan 20, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to January 2006. The gray background is the average SSN index.
