Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1795 | S06 | E66 | 02 | 0010 | Beta | Jul 21, 2013 | Jul 28, 2013 | Aug 10, 2013 |
| № 1794 | N13 | W55 | 02 | 0010 | Beta | Jul 12, 2013 | Jul 18, 2013 | Aug 1, 2013 |
| № 1793 | N19 | E76 | 03 | 0150 | Beta | Jul 22, 2013 | Jul 29, 2013 | Aug 11, 2013 |
| № 1792 | N04 | E31 | 05 | 0010 | Beta | Jul 18, 2013 | Jul 25, 2013 | Aug 7, 2013 |
| № 1791 | S15 | E19 | 15 | 0110 | Beta | Jul 17, 2013 | Jul 24, 2013 | Aug 7, 2013 |
| № 1787 | S13 | W73 | 01 | 0020 | Alpha | Jul 10, 2013 | Jul 17, 2013 | Jul 31, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to July 2013. The gray background is the average SSN index.