Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1386 | S16 | E74 | 01 | 0030 | Alpha | Dec 30, 2011 | Jan 6, 2012 | Jan 20, 2012 |
| № 1385 | S31 | W00 | 07 | 0030 | Beta | Dec 25, 2011 | Jan 1, 2012 | Jan 15, 2012 |
| № 1384 | N13 | E27 | 12 | 0500 | Beta | Dec 27, 2011 | Jan 3, 2012 | Jan 16, 2012 |
| № 1383 | N03 | E15 | 03 | 0010 | Alpha | Dec 26, 2011 | Jan 2, 2012 | Jan 15, 2012 |
| № 1382 | S18 | W33 | 15 | 0100 | Beta | Dec 22, 2011 | Dec 29, 2011 | Jan 12, 2012 |
| № 1381 | S20 | W42 | 08 | 0040 | Beta | Dec 22, 2011 | Dec 29, 2011 | Jan 11, 2012 |
| № 1376 | N16 | W82 | 07 | 0330 | Beta | Dec 19, 2011 | Dec 25, 2011 | Jan 8, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to December 2011. The gray background is the average SSN index.
