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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1658 | S12 | E33 | 05 | 0130 | Beta | Jan 20, 2013 | Jan 27, 2013 | Feb 9, 2013 |
| № 1656 | N22 | W03 | 01 | 0010 | Alpha | Jan 17, 2013 | Jan 24, 2013 | Feb 7, 2013 |
| № 1654 | N06 | W22 | 45 | 0990 | Beta-Gamma-Delta | Jan 16, 2013 | Jan 22, 2013 | Feb 5, 2013 |
| № 1652 | N19 | W62 | 04 | 0120 | Beta | Jan 12, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1650 | S31 | W68 | 04 | 0010 | Alpha | Jan 12, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1649 | S16 | W78 | 01 | 0020 | Alpha | Jan 11, 2013 | Jan 18, 2013 | Feb 1, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to January 2013. The gray background is the average SSN index.
