Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1435 | S25 | W09 | 03 | 0030 | Beta | Mar 16, 2012 | Mar 23, 2012 | Apr 6, 2012 |
| № 1434 | S21 | E01 | 02 | 0030 | Beta | Mar 17, 2012 | Mar 24, 2012 | Apr 7, 2012 |
| № 1433 | N12 | E11 | 11 | 0120 | Beta | Mar 18, 2012 | Mar 24, 2012 | Apr 7, 2012 |
| № 1432 | N14 | W11 | 16 | 0100 | Beta-Gamma | Mar 16, 2012 | Mar 23, 2012 | Apr 5, 2012 |
| № 1429 | N19 | W83 | 03 | 0090 | Beta | Mar 11, 2012 | Mar 17, 2012 | Mar 31, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.