Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1918 | S09 | E76 | 03 | 0060 | alpha | Dec 15, 2013 | Dec 22, 2013 | Jan 4, 2014 |
| № 1917 | S16 | E57 | 08 | 0210 | beta | Dec 13, 2013 | Dec 20, 2013 | Jan 3, 2014 |
| № 1916 | S13 | W37 | 20 | 0240 | beta-gamma | Dec 6, 2013 | Dec 13, 2013 | Dec 27, 2013 |
| № 1912 | S21 | W12 | 01 | 0120 | alpha | Dec 8, 2013 | Dec 15, 2013 | Dec 29, 2013 |
| № 1909 | S19 | W79 | 01 | 0050 | alpha | Dec 3, 2013 | Dec 10, 2013 | Dec 24, 2013 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, December. Gray background - average solar cycle.
