Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 18, 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 | E38 | 03 | 0010 | Beta | May 22, 2012 | May 29, 2012 | Jun 11, 2012 |
| № 1484 | N09 | E25 | 15 | 0230 | Beta | May 21, 2012 | May 28, 2012 | Jun 10, 2012 |
| № 1482 | N14 | W02 | 10 | 0190 | Beta | May 19, 2012 | May 26, 2012 | Jun 8, 2012 |
| № 1481 | S10 | E07 | 01 | 0010 | Alpha | May 19, 2012 | May 26, 2012 | Jun 9, 2012 |
| № 1479 | N14 | W11 | 01 | 0050 | Alpha | May 18, 2012 | May 25, 2012 | Jun 8, 2012 |
| № 1478 | S22 | W35 | 01 | 0060 | Alpha | May 16, 2012 | May 23, 2012 | Jun 6, 2012 |
| № 1477 | S20 | W44 | 01 | 0020 | Alpha | May 16, 2012 | May 22, 2012 | Jun 5, 2012 |
| № 1476 | N12 | W85 | 02 | 0150 | Beta | 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.
