Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1469 | S24 | E43 | 03 | 0020 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1468 | N08 | W15 | 12 | 0090 | Beta | Apr 27, 2012 | May 4, 2012 | May 17, 2012 |
| № 1467 | N14 | E47 | 01 | 0010 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1466 | N12 | W24 | 09 | 0090 | Beta | Apr 26, 2012 | May 3, 2012 | May 16, 2012 |
| № 1465 | S18 | W37 | 11 | 0200 | Beta | Apr 25, 2012 | May 2, 2012 | May 16, 2012 |
| № 1460 | N15 | W91 | 01 | 0060 | Beta | Apr 21, 2012 | Apr 28, 2012 | May 11, 2012 |
| № 1459 | S16 | W76 | 10 | 0070 | Beta | Apr 22, 2012 | Apr 29, 2012 | May 13, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to April 2012. The gray background is the average SSN index.