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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1655 | S21 | W11 | 03 | 0030 | Beta | Jan 11, 2013 | Jan 18, 2013 | Feb 1, 2013 |
| № 1654 | N08 | E47 | 21 | 0770 | Beta-Gamma | Jan 16, 2013 | Jan 22, 2013 | Feb 5, 2013 |
| № 1653 | N11 | E06 | 01 | 0010 | Alpha | Jan 12, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1652 | N20 | E11 | 29 | 0230 | Beta-Gamma | Jan 13, 2013 | Jan 20, 2013 | Feb 3, 2013 |
| № 1650 | S29 | E01 | 08 | 0120 | Beta | Jan 12, 2013 | Jan 19, 2013 | Feb 2, 2013 |
| № 1649 | S15 | W07 | 01 | 0060 | Alpha | Jan 11, 2013 | Jan 18, 2013 | Feb 1, 2013 |
| № 1644 | N15 | W44 | 01 | 0020 | Alpha | Jan 9, 2013 | Jan 15, 2013 | Jan 29, 2013 |
| № 1642 | S24 | W56 | 01 | 0060 | Alpha | Jan 8, 2013 | Jan 15, 2013 | Jan 29, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to January 2013. The gray background is the average SSN index.
