Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1475 | N05 | E62 | 01 | 0040 | Alpha | May 10, 2012 | May 16, 2012 | May 30, 2012 |
| № 1474 | N16 | E53 | 01 | 0020 | Alpha | May 9, 2012 | May 16, 2012 | May 29, 2012 |
| № 1473 | S21 | W67 | 05 | 0060 | Beta | Apr 30, 2012 | May 7, 2012 | May 20, 2012 |
| № 1472 | S28 | W11 | 03 | 0010 | Beta | May 4, 2012 | May 11, 2012 | May 25, 2012 |
| № 1471 | S19 | E03 | 07 | 0300 | Beta | May 5, 2012 | May 12, 2012 | May 26, 2012 |
| № 1470 | S15 | W06 | 10 | 0010 | Beta | May 4, 2012 | May 11, 2012 | May 25, 2012 |
| № 1469 | S26 | W50 | 10 | 0100 | Beta | May 1, 2012 | May 8, 2012 | May 22, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to May 2012. The gray background is the average SSN index.
