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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1931 | S14 | E78 | 01 | 0100 | Alpha | Dec 26, 2013 | Jan 2, 2014 | Jan 15, 2014 |
| № 1930 | S09 | E37 | 07 | 0040 | Beta | Dec 23, 2013 | Dec 29, 2013 | Jan 12, 2014 |
| № 1929 | S11 | E57 | 01 | 0010 | Alpha | Dec 24, 2013 | Dec 31, 2013 | Jan 14, 2014 |
| № 1928 | S15 | W03 | 21 | 0240 | Beta-Gamma | Dec 20, 2013 | Dec 26, 2013 | Jan 9, 2014 |
| № 1921 | N06 | W41 | 02 | 0220 | Beta | Dec 17, 2013 | Dec 24, 2013 | Jan 6, 2014 |
| № 1920 | N12 | W46 | 01 | 0050 | Alpha | Dec 16, 2013 | Dec 23, 2013 | Jan 6, 2014 |
| № 1918 | S09 | W53 | 01 | 0050 | Alpha | Dec 16, 2013 | Dec 23, 2013 | Jan 5, 2014 |
| № 1917 | S16 | W75 | 04 | 0420 | Beta-Gamma | Dec 14, 2013 | Dec 21, 2013 | Jan 4, 2014 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to December 2013. The gray background is the average SSN index.
