Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 827 | N08 | E56 | 03 | 0050 | Beta | Dec 6, 2005 | Dec 13, 2005 | Dec 27, 2005 |
| № 826 | S02 | E36 | 22 | 0140 | Beta-Gamma | Dec 5, 2005 | Dec 11, 2005 | Dec 25, 2005 |
| № 824 | S14 | W61 | 02 | 0050 | Beta | Nov 27, 2005 | Dec 4, 2005 | Dec 18, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to December 2005. The gray background is the average SSN index.
