Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 13, 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 | E69 | 01 | 0050 | Alpha | Feb 19, 2012 | Feb 26, 2012 | Mar 11, 2012 |
| № 1419 | N28 | E69 | 04 | 0080 | Beta | Feb 19, 2012 | Feb 26, 2012 | Mar 11, 2012 |
| № 1418 | S24 | E13 | 04 | 0010 | Beta | Feb 15, 2012 | Feb 22, 2012 | Mar 7, 2012 |
| № 1417 | N18 | E32 | 05 | 0030 | Beta | Feb 16, 2012 | Feb 23, 2012 | Mar 8, 2012 |
| № 1416 | S19 | W15 | 16 | 0380 | Beta | Feb 13, 2012 | Feb 20, 2012 | Mar 4, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to February 2012. The gray background is the average SSN index.
