Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 27, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1042 | N18 | W86 | 01 | 0090 | Alpha | Jan 21, 2010 | Jan 28, 2010 | Feb 11, 2010 |
| № 1041 | S24 | W03 | 07 | 0060 | Beta | Jan 28, 2010 | Feb 4, 2010 | Feb 18, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to January 2010. The gray background is the average SSN index.
