Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1369 | N22 | E31 | 03 | 0010 | Beta | Dec 10, 2011 | Dec 17, 2011 | Dec 31, 2011 |
| № 1368 | S16 | E43 | 03 | 0010 | Beta | Dec 11, 2011 | Dec 18, 2011 | Jan 1, 2012 |
| № 1367 | S18 | E11 | 03 | 0010 | Beta | Dec 9, 2011 | Dec 16, 2011 | Dec 29, 2011 |
| № 1366 | N18 | E27 | 02 | 0080 | Beta | Dec 10, 2011 | Dec 17, 2011 | Dec 30, 2011 |
| № 1365 | N21 | W36 | 13 | 0020 | Beta | Dec 5, 2011 | Dec 12, 2011 | Dec 26, 2011 |
| № 1364 | N19 | W13 | 01 | 0040 | Alpha | Dec 7, 2011 | Dec 14, 2011 | Dec 27, 2011 |
| № 1363 | S22 | W18 | 19 | 0340 | Beta-Gamma | Dec 6, 2011 | Dec 13, 2011 | Dec 27, 2011 |
| № 1362 | N06 | W44 | 07 | 0110 | Beta-Gamma | Dec 5, 2011 | Dec 11, 2011 | Dec 25, 2011 |
| № 1361 | N18 | W79 | 02 | 0010 | Beta | Dec 2, 2011 | Dec 9, 2011 | Dec 22, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to December 2011. The gray background is the average SSN index.
