Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1804 | S21 | W69 | 04 | 0010 | Beta | Jul 21, 2013 | Jul 27, 2013 | Aug 10, 2013 |
| № 1801 | N21 | E59 | 01 | 0090 | Alpha | Jul 30, 2013 | Aug 6, 2013 | Aug 20, 2013 |
| № 1800 | S09 | W16 | 18 | 0120 | Beta-Gamma | Jul 25, 2013 | Jul 31, 2013 | Aug 14, 2013 |
| № 1793 | N19 | W50 | 02 | 0100 | Beta | Jul 22, 2013 | Jul 29, 2013 | Aug 12, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to July 2013. The gray background is the average SSN index.
