Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 28, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1410 | N16 | E52 | 01 | 0150 | Alpha | Feb 2, 2012 | Feb 9, 2012 | Feb 22, 2012 |
| № 1408 | N08 | W11 | 05 | 0080 | Beta | Jan 28, 2012 | Feb 4, 2012 | Feb 18, 2012 |
| № 1402 | N29 | W88 | 03 | 0060 | Beta | Jan 22, 2012 | Jan 29, 2012 | Feb 12, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to January 2012. The gray background is the average SSN index.