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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1923 | N17 | E28 | 05 | 0010 | Beta | Dec 14, 2013 | Dec 21, 2013 | Jan 4, 2014 |
| № 1922 | N12 | W15 | 14 | 0120 | Beta-Gamma | Dec 11, 2013 | Dec 18, 2013 | Dec 31, 2013 |
| № 1921 | N06 | E62 | 02 | 0350 | Alpha | Dec 17, 2013 | Dec 23, 2013 | Jan 6, 2014 |
| № 1920 | N12 | E57 | 01 | 0060 | Alpha | Dec 16, 2013 | Dec 23, 2013 | Jan 6, 2014 |
| № 1919 | S06 | W38 | 03 | 0020 | Beta | Dec 9, 2013 | Dec 16, 2013 | Dec 29, 2013 |
| № 1918 | S09 | E51 | 08 | 0170 | Beta | Dec 16, 2013 | Dec 23, 2013 | Jan 5, 2014 |
| № 1917 | S17 | E31 | 18 | 0250 | Beta | Dec 14, 2013 | Dec 21, 2013 | Jan 4, 2014 |
| № 1916 | S12 | W64 | 27 | 0350 | Beta-Gamma | Dec 7, 2013 | Dec 14, 2013 | Dec 28, 2013 |
| № 1912 | S21 | W38 | 01 | 0080 | Alpha | Dec 9, 2013 | Dec 16, 2013 | Dec 30, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to December 2013. The gray background is the average SSN index.
