Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1486 | N16 | E56 | 03 | 0200 | Beta | May 25, 2012 | Jun 1, 2012 | Jun 15, 2012 |
| № 1484 | N10 | W01 | 16 | 0230 | Beta | May 21, 2012 | May 28, 2012 | Jun 10, 2012 |
| № 1483 | S24 | W27 | 04 | 0010 | Beta | May 19, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1482 | N15 | W28 | 14 | 0280 | Beta | May 19, 2012 | May 26, 2012 | Jun 8, 2012 |
| № 1479 | N15 | W37 | 01 | 0050 | Alpha | May 18, 2012 | May 25, 2012 | Jun 8, 2012 |
| № 1478 | S23 | W60 | 01 | 0050 | Alpha | May 16, 2012 | May 23, 2012 | Jun 6, 2012 |
| № 1477 | S22 | W70 | 01 | 0020 | Alpha | May 15, 2012 | May 22, 2012 | Jun 5, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to May 2012. The gray background is the average SSN index.
