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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 15, 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 | S11 | E51 | 07 | 0090 | Beta | Jan 20, 2013 | Jan 27, 2013 | Feb 9, 2013 |
| № 1656 | N23 | E15 | 04 | 0010 | Beta | Jan 17, 2013 | Jan 24, 2013 | Feb 7, 2013 |
| № 1654 | N08 | W05 | 49 | 0920 | Beta-Gamma | Jan 16, 2013 | Jan 22, 2013 | Feb 5, 2013 |
| № 1652 | N18 | W44 | 05 | 0160 | Alpha | Jan 13, 2013 | Jan 20, 2013 | Feb 2, 2013 |
| № 1650 | S30 | W52 | 01 | 0050 | Alpha | Jan 12, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1649 | S15 | W62 | 02 | 0030 | 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.
