Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 837 | S11 | W20 | 21 | 0210 | Beta | Dec 20, 2005 | Dec 27, 2005 | Jan 10, 2006 |
| № 835 | N18 | W67 | 01 | 0110 | Alpha | Dec 17, 2005 | Dec 24, 2005 | Jan 6, 2006 |
| № 834 | S07 | W71 | 01 | 0050 | Alpha | Dec 17, 2005 | Dec 23, 2005 | Jan 6, 2006 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, December. Gray background - average solar cycle.
