Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1443 | N16 | E62 | 01 | 0010 | Alpha | Mar 29, 2012 | Apr 5, 2012 | Apr 18, 2012 |
| № 1442 | N13 | E49 | 01 | 0010 | Alpha | Mar 28, 2012 | Apr 4, 2012 | Apr 17, 2012 |
| № 1441 | S27 | W57 | 01 | 0010 | Alpha | Mar 20, 2012 | Mar 27, 2012 | Apr 10, 2012 |
| № 1440 | S25 | W38 | 08 | 0030 | Beta-Gamma | Mar 21, 2012 | Mar 28, 2012 | Apr 11, 2012 |
| № 1438 | S15 | E43 | 02 | 0060 | Alpha | Mar 27, 2012 | Apr 3, 2012 | Apr 17, 2012 |
| № 1433 | N09 | W81 | 01 | 0010 | Alpha | Mar 18, 2012 | Mar 25, 2012 | Apr 7, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
