Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1776 | N11 | W12 | 07 | 0040 | Beta | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1775 | S26 | E17 | 13 | 0360 | Beta-Delta | Jun 23, 2013 | Jun 30, 2013 | Jul 14, 2013 |
| № 1774 | S17 | W01 | 03 | 0040 | Alpha | Jun 21, 2013 | Jun 28, 2013 | Jul 12, 2013 |
| № 1773 | N04 | E07 | 19 | 0100 | Beta | Jun 22, 2013 | Jun 29, 2013 | Jul 12, 2013 |
| № 1772 | S21 | W14 | 14 | 0090 | Beta | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1770 | S14 | W12 | 01 | 0050 | Alpha | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to June 2013. The gray background is the average SSN index.