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 | S28 | W46 | 12 | 0190 | beta | Dec 30, 2009 | Jan 6, 2010 | Jan 21, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, January. Gray background - average solar cycle.
