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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1465 | S17 | E29 | 13 | 0230 | Beta | Apr 25, 2012 | May 2, 2012 | May 16, 2012 |
| № 1463 | S26 | W77 | 03 | 0050 | Beta | Apr 17, 2012 | Apr 24, 2012 | May 8, 2012 |
| № 1462 | S24 | W57 | 09 | 0400 | Beta | Apr 18, 2012 | Apr 25, 2012 | May 9, 2012 |
| № 1461 | N12 | E10 | 02 | 0010 | Beta | Apr 24, 2012 | Apr 30, 2012 | May 14, 2012 |
| № 1460 | N16 | W25 | 21 | 0490 | Beta | Apr 21, 2012 | Apr 28, 2012 | May 11, 2012 |
| № 1459 | S15 | W11 | 39 | 0450 | 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.
