Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 8, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1653 | N07 | E51 | 06 | 0030 | Beta | Jan 13, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1652 | N17 | E52 | 34 | 0320 | Beta-Gamma | Jan 13, 2013 | Jan 20, 2013 | Feb 2, 2013 |
| № 1650 | S30 | E44 | 22 | 0250 | Beta | Jan 12, 2013 | Jan 19, 2013 | Feb 3, 2013 |
| № 1649 | S16 | E34 | 01 | 0140 | Alpha | Jan 11, 2013 | Jan 18, 2013 | Feb 1, 2013 |
| № 1648 | N05 | E12 | 01 | 0010 | Alpha | Jan 10, 2013 | Jan 17, 2013 | Jan 30, 2013 |
| № 1646 | N13 | E06 | 01 | 0060 | Alpha | Jan 9, 2013 | Jan 16, 2013 | Jan 30, 2013 |
| № 1645 | S14 | W56 | 02 | 0010 | Beta | Jan 5, 2013 | Jan 11, 2013 | Jan 25, 2013 |
| № 1644 | N15 | W04 | 01 | 0060 | Alpha | Jan 9, 2013 | Jan 15, 2013 | Jan 29, 2013 |
| № 1642 | S25 | W14 | 01 | 0120 | Alpha | Jan 8, 2013 | Jan 15, 2013 | Jan 29, 2013 |
| № 1641 | N02 | W46 | 01 | 0010 | Alpha | Jan 5, 2013 | Jan 12, 2013 | Jan 26, 2013 |
| № 1640 | N28 | W85 | 05 | 0300 | Beta | Jan 2, 2013 | Jan 9, 2013 | Jan 23, 2013 |
| № 1638 | N13 | W72 | 01 | 0080 | Alpha | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to January 2013. The gray background is the average SSN index.
