Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1431 | S28 | W76 | 02 | 0020 | Beta | Mar 4, 2012 | Mar 11, 2012 | Mar 25, 2012 |
| № 1430 | N21 | W13 | 08 | 0180 | Beta | Mar 9, 2012 | Mar 16, 2012 | Mar 30, 2012 |
| № 1429 | N17 | E01 | 28 | 0950 | Beta-Gamma-Delta | Mar 10, 2012 | Mar 17, 2012 | Mar 31, 2012 |
| № 1428 | S17 | W19 | 08 | 0180 | Beta | Mar 9, 2012 | Mar 15, 2012 | Mar 29, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
