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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1805 | S07 | W15 | 03 | 0020 | Beta | Jul 27, 2013 | Aug 3, 2013 | Aug 16, 2013 |
| № 1801 | N20 | E31 | 01 | 0080 | Alpha | Jul 30, 2013 | Aug 6, 2013 | Aug 20, 2013 |
| № 1800 | S08 | W45 | 12 | 0160 | Beta-Gamma | Jul 25, 2013 | Jul 31, 2013 | Aug 14, 2013 |
| № 1793 | N21 | W80 | 02 | 0070 | Beta | Jul 22, 2013 | Jul 29, 2013 | Aug 11, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to July 2013. The gray background is the average SSN index.
