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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1375 | N08 | E70 | 03 | 0010 | Beta | Dec 15, 2011 | Dec 22, 2011 | Jan 5, 2012 |
| № 1374 | S16 | E68 | 02 | 0150 | Beta | Dec 15, 2011 | Dec 22, 2011 | Jan 5, 2012 |
| № 1373 | S30 | W39 | 02 | 0020 | Beta | Dec 7, 2011 | Dec 14, 2011 | Dec 28, 2011 |
| № 1372 | N10 | E14 | 02 | 0000 | Beta | Dec 11, 2011 | Dec 18, 2011 | Dec 31, 2011 |
| № 1371 | N09 | W01 | 01 | 0010 | Alpha | Dec 10, 2011 | Dec 17, 2011 | Dec 30, 2011 |
| № 1367 | S26 | W15 | 03 | 0030 | Beta | Dec 9, 2011 | Dec 16, 2011 | Dec 30, 2011 |
| № 1366 | N18 | E01 | 02 | 0040 | Beta | Dec 10, 2011 | Dec 17, 2011 | Dec 31, 2011 |
| № 1365 | N16 | W77 | 02 | 0070 | Beta | Dec 4, 2011 | Dec 11, 2011 | Dec 25, 2011 |
| № 1364 | N17 | W43 | 05 | 0060 | Beta | Dec 7, 2011 | Dec 14, 2011 | Dec 27, 2011 |
| № 1363 | S21 | W47 | 07 | 0270 | Beta | Dec 6, 2011 | Dec 13, 2011 | Dec 27, 2011 |
| № 1362 | N07 | W72 | 03 | 0060 | Beta | Dec 5, 2011 | Dec 11, 2011 | Dec 25, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to December 2011. The gray background is the average SSN index.
