Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1472 | S29 | E41 | 03 | 0010 | Beta | May 4, 2012 | May 11, 2012 | May 25, 2012 |
| № 1471 | S23 | E58 | 05 | 0260 | Beta | May 5, 2012 | May 12, 2012 | May 26, 2012 |
| № 1470 | S16 | E48 | 03 | 0040 | Beta | May 5, 2012 | May 11, 2012 | May 25, 2012 |
| № 1469 | S19 | W00 | 10 | 0090 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1468 | N11 | W54 | 02 | 0010 | Beta | Apr 27, 2012 | May 4, 2012 | May 17, 2012 |
| № 1467 | N12 | E05 | 01 | 0020 | Alpha | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1466 | N13 | W64 | 06 | 0140 | Beta | Apr 26, 2012 | May 3, 2012 | May 17, 2012 |
| № 1465 | S18 | W79 | 04 | 0090 | Beta | Apr 25, 2012 | May 2, 2012 | May 15, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to April 2012. The gray background is the average SSN index.
