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) | |
|---|---|---|---|---|---|---|---|---|
| № 831 | S07 | W22 | 08 | 0050 | Beta | Dec 5, 2005 | Dec 12, 2005 | Dec 26, 2005 |
| № 830 | N13 | E36 | 01 | 0090 | Alpha | Dec 10, 2005 | Dec 17, 2005 | Dec 30, 2005 |
| № 828 | S04 | W11 | 11 | 0020 | Beta | Dec 6, 2005 | Dec 13, 2005 | Dec 26, 2005 |
| № 826 | S06 | W35 | 25 | 0260 | Beta-Gamma | Dec 4, 2005 | Dec 11, 2005 | Dec 25, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, December. Gray background - average solar cycle.
