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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1833 | N18 | E09 | 03 | 0010 | Beta | Aug 26, 2013 | Sep 1, 2013 | Sep 15, 2013 |
| № 1832 | N25 | W59 | 06 | 0030 | Beta | Aug 20, 2013 | Aug 27, 2013 | Sep 10, 2013 |
| № 1831 | N14 | W61 | 07 | 0060 | Beta | Aug 20, 2013 | Aug 27, 2013 | Sep 10, 2013 |
| № 1830 | S05 | W62 | 05 | 0070 | Beta | Aug 20, 2013 | Aug 27, 2013 | Sep 9, 2013 |
| № 1828 | N15 | E16 | 03 | 0020 | Beta | Aug 26, 2013 | Sep 2, 2013 | Sep 16, 2013 |
| № 1827 | S18 | E07 | 08 | 0030 | Beta | Aug 25, 2013 | Sep 1, 2013 | Sep 15, 2013 |
| № 1825 | N15 | W84 | 01 | 0030 | Alpha | Aug 18, 2013 | Aug 25, 2013 | Sep 8, 2013 |
| № 1823 | S06 | W35 | 01 | 0100 | Alpha | Aug 22, 2013 | Aug 29, 2013 | Sep 12, 2013 |
| № 1820 | S12 | W71 | 03 | 0070 | Beta | Aug 19, 2013 | Aug 26, 2013 | Sep 9, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to August 2013. The gray background is the average SSN index.
