Sunspots and active regions — December 13, 2006
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) | |
|---|---|---|---|---|---|---|---|---|
| № 930 | S06 | W21 | 17 | 0680 | Beta-Gamma-Delta | Dec 12, 2006 | Dec 19, 2006 | Jan 2, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1977, January to 2006, December. Gray background - average solar cycle.
