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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1390 | N09 | E44 | 03 | 0010 | Beta | Jan 2, 2012 | Jan 9, 2012 | Jan 23, 2012 |
| № 1389 | S20 | E70 | 06 | 0200 | Beta | Jan 4, 2012 | Jan 11, 2012 | Jan 25, 2012 |
| № 1388 | S24 | E55 | 01 | 0100 | Alpha | Jan 3, 2012 | Jan 10, 2012 | Jan 24, 2012 |
| № 1387 | S21 | W70 | 14 | 0290 | Beta-Gamma | Dec 25, 2011 | Jan 1, 2012 | Jan 14, 2012 |
| № 1386 | S18 | E08 | 15 | 0180 | Beta-Gamma | Dec 31, 2011 | Jan 6, 2012 | Jan 20, 2012 |
| № 1384 | N12 | W42 | 10 | 0350 | Beta | Dec 27, 2011 | Jan 3, 2012 | Jan 16, 2012 |
| № 1383 | N04 | W55 | 03 | 0005 | Beta | Dec 26, 2011 | Jan 2, 2012 | Jan 15, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to December 2011. The gray background is the average SSN index.
