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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1471 | S23 | E72 | 02 | 0120 | Alpha | May 5, 2012 | May 12, 2012 | May 26, 2012 |
| № 1470 | S17 | E63 | 03 | 0040 | Beta | May 5, 2012 | May 11, 2012 | May 25, 2012 |
| № 1469 | S19 | E16 | 13 | 0090 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1468 | N10 | W40 | 06 | 0070 | Beta | Apr 27, 2012 | May 4, 2012 | May 17, 2012 |
| № 1467 | N12 | E20 | 06 | 0050 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
| № 1466 | N12 | W49 | 06 | 0070 | Beta | Apr 26, 2012 | May 3, 2012 | May 17, 2012 |
| № 1465 | S18 | W64 | 12 | 0130 | Beta-Gamma | Apr 25, 2012 | May 2, 2012 | May 16, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to April 2012. The gray background is the average SSN index.
