Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1420 | N13 | E50 | 01 | 0090 | Alpha | Feb 20, 2012 | Feb 26, 2012 | Mar 11, 2012 |
| № 1419 | N31 | E46 | 02 | 0070 | Beta | Feb 19, 2012 | Feb 27, 2012 | Mar 12, 2012 |
| № 1418 | S24 | W11 | 06 | 0010 | Beta | Feb 15, 2012 | Feb 22, 2012 | Mar 7, 2012 |
| № 1416 | S21 | W36 | 15 | 0250 | Beta | Feb 13, 2012 | Feb 20, 2012 | Mar 5, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to February 2012. The gray background is the average SSN index.
