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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 20, 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 | S26 | W62 | 07 | 0150 | Beta | Mar 16, 2012 | Mar 23, 2012 | Apr 6, 2012 |
| № 1434 | S21 | W54 | 06 | 0090 | Beta | Mar 17, 2012 | Mar 24, 2012 | Apr 7, 2012 |
| № 1433 | N11 | W45 | 04 | 0070 | Beta | Mar 18, 2012 | Mar 24, 2012 | Apr 7, 2012 |
| № 1432 | N22 | W68 | 01 | 0010 | Alpha | Mar 16, 2012 | Mar 23, 2012 | Apr 6, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
