Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 28, 2013. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1759 | S08 | E65 | 02 | 0000 | Beta | Jun 3, 2013 | Jun 10, 2013 | Jun 23, 2013 |
| № 1758 | S23 | E57 | 01 | 0030 | Alpha | Jun 3, 2013 | Jun 10, 2013 | Jun 23, 2013 |
| № 1757 | S09 | E38 | 01 | 0100 | Alpha | Jun 1, 2013 | Jun 8, 2013 | Jun 21, 2013 |
| № 1756 | S20 | W29 | 17 | 0190 | Beta | May 27, 2013 | Jun 3, 2013 | Jun 17, 2013 |
| № 1755 | N12 | W16 | 16 | 0110 | Beta | May 28, 2013 | Jun 4, 2013 | Jun 17, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.