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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1466 | N12 | E31 | 11 | 0060 | Beta | Apr 26, 2012 | May 3, 2012 | May 17, 2012 |
| № 1465 | S18 | E16 | 16 | 0300 | Beta | Apr 25, 2012 | May 2, 2012 | May 16, 2012 |
| № 1462 | S24 | W70 | 04 | 0400 | Beta | Apr 18, 2012 | Apr 25, 2012 | May 9, 2012 |
| № 1460 | N16 | W38 | 13 | 0300 | Beta | Apr 21, 2012 | Apr 28, 2012 | May 11, 2012 |
| № 1459 | S15 | W23 | 24 | 0430 | 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.
