Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 13, 2007. Coordinates are given as of the end of the day.
| 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
The average monthly sunspot number (SSN) from January 1978 to January 2007. The gray background is the average SSN index.
