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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1492 | S13 | E05 | 13 | 0120 | Beta | Jun 1, 2012 | Jun 8, 2012 | Jun 22, 2012 |
| № 1490 | S12 | W20 | 22 | 0180 | Beta | May 30, 2012 | Jun 6, 2012 | Jun 20, 2012 |
| № 1488 | N12 | W57 | 02 | 0010 | Beta | May 28, 2012 | Jun 3, 2012 | Jun 17, 2012 |
| № 1486 | N17 | W90 | 01 | 0090 | Alpha | May 25, 2012 | Jun 1, 2012 | Jun 15, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to May 2012. The gray background is the average SSN index.
