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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1372 | N10 | E28 | 02 | 0000 | Beta | Dec 11, 2011 | Dec 18, 2011 | Dec 31, 2011 |
| № 1371 | N09 | E13 | 01 | 0010 | Alpha | Dec 10, 2011 | Dec 17, 2011 | Dec 30, 2011 |
| № 1370 | S24 | W03 | 06 | 0010 | Beta | Dec 9, 2011 | Dec 16, 2011 | Dec 30, 2011 |
| № 1367 | S26 | W03 | 04 | 0010 | Beta | Dec 9, 2011 | Dec 16, 2011 | Dec 30, 2011 |
| № 1366 | N17 | E13 | 02 | 0070 | Beta | Dec 10, 2011 | Dec 17, 2011 | Dec 31, 2011 |
| № 1365 | N17 | W48 | 01 | 0010 | Alpha | Dec 5, 2011 | Dec 12, 2011 | Dec 26, 2011 |
| № 1364 | N18 | W30 | 01 | 0060 | Alpha | Dec 7, 2011 | Dec 14, 2011 | Dec 27, 2011 |
| № 1363 | S22 | W32 | 12 | 0400 | Beta | Dec 7, 2011 | Dec 13, 2011 | Dec 27, 2011 |
| № 1362 | N06 | W59 | 03 | 0180 | 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.
