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) | |
|---|---|---|---|---|---|---|---|---|
| № 1039 | S26 | E45 | 03 | 0010 | Beta | Dec 31, 2009 | Jan 7, 2010 | Jan 21, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1980, January to 2009, December. Gray background - average solar cycle.
