Sunspots and active regions — January 13, 2007
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) | |
|---|---|---|---|---|---|---|---|---|
| № 937 | S14 | W49 | 01 | 0010 | Alpha | Jan 10, 2007 | Jan 17, 2007 | Jan 31, 2007 |
| № 935 | S08 | W67 | 01 | 0190 | Alpha | Jan 9, 2007 | Jan 16, 2007 | Jan 29, 2007 |
| № 933 | S06 | W90 | 01 | 0110 | Alpha | Jan 7, 2007 | Jan 14, 2007 | Jan 28, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, January. Gray background - average solar cycle.
