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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 8, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1143 | S22 | E16 | 04 | 0020 | Beta | Jan 10, 2011 | Jan 17, 2011 | Jan 31, 2011 |
| № 1142 | S14 | W45 | 02 | 0000 | Alpha | Jan 6, 2011 | Jan 12, 2011 | Jan 26, 2011 |
| № 1140 | N33 | W24 | 03 | 0140 | Beta | Jan 7, 2011 | Jan 14, 2011 | Jan 29, 2011 |
| № 1139 | S27 | W74 | 03 | 0010 | Alpha | Jan 3, 2011 | Jan 10, 2011 | Jan 24, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to January 2011. The gray background is the average SSN index.
