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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1808 | N15 | E56 | 03 | 0010 | Beta | Aug 4, 2013 | Aug 11, 2013 | Aug 25, 2013 |
| № 1807 | N28 | W16 | 08 | 0030 | Beta | Jul 30, 2013 | Aug 6, 2013 | Aug 20, 2013 |
| № 1806 | S15 | E34 | 10 | 0080 | Beta | Aug 2, 2013 | Aug 9, 2013 | Aug 23, 2013 |
| № 1805 | S06 | W56 | 10 | 0130 | Beta | Jul 27, 2013 | Aug 2, 2013 | Aug 16, 2013 |
| № 1801 | N19 | W07 | 01 | 0080 | Alpha | Jul 30, 2013 | Aug 6, 2013 | Aug 20, 2013 |
| № 1800 | S08 | W82 | 05 | 0170 | Beta-Gamma | Jul 25, 2013 | Jul 31, 2013 | Aug 14, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to July 2013. The gray background is the average SSN index.
