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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1659 | N04 | E40 | 05 | 0010 | Beta | Jan 23, 2013 | Jan 30, 2013 | Feb 12, 2013 |
| № 1658 | S12 | W05 | 03 | 0090 | Alpha | Jan 20, 2013 | Jan 26, 2013 | Feb 9, 2013 |
| № 1654 | N07 | W59 | 18 | 0460 | Beta-Gamma | Jan 16, 2013 | Jan 22, 2013 | Feb 5, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to January 2013. The gray background is the average SSN index.
