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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1914 | S18 | W19 | 02 | 0010 | Alpha | Dec 3, 2013 | Dec 9, 2013 | Dec 23, 2013 |
| № 1913 | S13 | W56 | 04 | 0040 | Beta | Nov 30, 2013 | Dec 7, 2013 | Dec 20, 2013 |
| № 1912 | S21 | E66 | 01 | 0080 | Alpha | Dec 9, 2013 | Dec 16, 2013 | Dec 30, 2013 |
| № 1911 | S11 | W11 | 06 | 0050 | Beta | Dec 3, 2013 | Dec 10, 2013 | Dec 24, 2013 |
| № 1910 | N02 | W67 | 05 | 0010 | Beta | Nov 29, 2013 | Dec 6, 2013 | Dec 19, 2013 |
| № 1909 | S17 | E06 | 27 | 0330 | Beta-Gamma | Dec 4, 2013 | Dec 11, 2013 | Dec 25, 2013 |
| № 1908 | S25 | W22 | 09 | 0120 | Beta-Gamma | Dec 2, 2013 | Dec 9, 2013 | Dec 23, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to December 2013. The gray background is the average SSN index.
