Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 10, 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 | N09 | E54 | 03 | 0070 | Beta | Dec 15, 2011 | Dec 22, 2011 | Jan 4, 2012 |
| № 1374 | S17 | E56 | 02 | 0160 | Alpha | Dec 15, 2011 | Dec 22, 2011 | Jan 5, 2012 |
| № 1373 | S31 | W49 | 05 | 0020 | Beta | Dec 7, 2011 | Dec 14, 2011 | Dec 28, 2011 |
| № 1372 | N08 | E05 | 06 | 0040 | Beta | Dec 11, 2011 | Dec 18, 2011 | Jan 1, 2012 |
| № 1366 | N18 | W11 | 02 | 0050 | Beta | Dec 10, 2011 | Dec 17, 2011 | Dec 31, 2011 |
| № 1365 | N16 | W89 | 01 | 0120 | Alpha | Dec 4, 2011 | Dec 11, 2011 | Dec 25, 2011 |
| № 1364 | N17 | W55 | 03 | 0080 | Beta | Dec 7, 2011 | Dec 14, 2011 | Dec 27, 2011 |
| № 1363 | S20 | W60 | 03 | 0280 | Beta | Dec 6, 2011 | Dec 13, 2011 | Dec 27, 2011 |
| № 1362 | N07 | W83 | 01 | 0060 | Alpha | 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.
