Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 28, 2005. 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 | N12 | E56 | 08 | 0080 | Beta | Jan 2, 2006 | Jan 9, 2006 | Jan 22, 2006 |
| № 842 | S06 | E06 | 03 | 0020 | Beta | Dec 29, 2005 | Jan 5, 2006 | Jan 19, 2006 |
| № 841 | N12 | E36 | 04 | 0140 | Beta | Jan 1, 2006 | Jan 7, 2006 | Jan 21, 2006 |
| № 840 | S03 | E29 | 01 | 0030 | Alpha | Dec 31, 2005 | Jan 7, 2006 | Jan 20, 2006 |
| № 839 | N19 | W76 | 01 | 0030 | Alpha | Dec 23, 2005 | Dec 30, 2005 | Jan 13, 2006 |
| № 838 | N16 | W32 | 01 | 0050 | Alpha | Dec 26, 2005 | Jan 2, 2006 | Jan 16, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to December 2005. The gray background is the average SSN index.
