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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1642 | S23 | E62 | 01 | 0090 | Alpha | Jan 8, 2013 | Jan 15, 2013 | Jan 29, 2013 |
| № 1641 | N05 | E39 | 03 | 0050 | Beta | Jan 6, 2013 | Jan 13, 2013 | Jan 26, 2013 |
| № 1640 | N28 | W06 | 23 | 0180 | Beta | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
| № 1639 | S16 | E04 | 01 | 0010 | Alpha | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
| № 1638 | N13 | E06 | 08 | 0140 | Beta | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
| № 1636 | N14 | W27 | 03 | 0010 | Beta | Jan 1, 2013 | Jan 8, 2013 | Jan 21, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to January 2013. The gray background is the average SSN index.
