Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1484 | N10 | E66 | 02 | 0010 | Beta | May 21, 2012 | May 28, 2012 | Jun 10, 2012 |
| № 1483 | S27 | E38 | 07 | 0010 | Beta | May 19, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1482 | N14 | E36 | 04 | 0050 | Beta | May 19, 2012 | May 25, 2012 | Jun 8, 2012 |
| № 1481 | S11 | E48 | 01 | 0020 | Alpha | May 20, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1479 | N14 | E27 | 01 | 0050 | Alpha | May 18, 2012 | May 25, 2012 | Jun 7, 2012 |
| № 1478 | S24 | E05 | 04 | 0070 | Alpha | May 16, 2012 | May 23, 2012 | Jun 6, 2012 |
| № 1477 | S22 | W04 | 04 | 0040 | Alpha | May 16, 2012 | May 23, 2012 | Jun 5, 2012 |
| № 1476 | N09 | W45 | 53 | 0600 | Beta-Gamma | May 13, 2012 | May 19, 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.