Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1485 | S19 | E65 | 02 | 0010 | Alpha | May 22, 2012 | May 29, 2012 | Jun 12, 2012 |
| № 1484 | N10 | E50 | 06 | 0010 | Beta | May 21, 2012 | May 28, 2012 | Jun 10, 2012 |
| № 1483 | S27 | E23 | 07 | 0010 | Alpha | May 19, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1482 | N14 | E20 | 04 | 0070 | Beta | May 19, 2012 | May 25, 2012 | Jun 8, 2012 |
| № 1481 | S10 | E33 | 01 | 0030 | Alpha | May 19, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1479 | N13 | E13 | 01 | 0050 | Alpha | May 18, 2012 | May 25, 2012 | Jun 7, 2012 |
| № 1478 | S24 | W10 | 01 | 0080 | Alpha | May 16, 2012 | May 23, 2012 | Jun 6, 2012 |
| № 1477 | S22 | W19 | 01 | 0030 | Alpha | May 16, 2012 | May 22, 2012 | Jun 5, 2012 |
| № 1476 | N10 | W56 | 12 | 0260 | Beta | May 13, 2012 | May 20, 2012 | Jun 2, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to May 2012. The gray background is the average SSN index.