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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 19, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1148 | S28 | W46 | 02 | 0030 | Beta | Jan 16, 2011 | Jan 23, 2011 | Feb 7, 2011 |
| № 1147 | N26 | E37 | 12 | 0160 | Beta-Gamma | Jan 23, 2011 | Jan 30, 2011 | Feb 13, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to January 2011. The gray background is the average SSN index.
