Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 20, 2014. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2243 | N09 | E28 | 01 | 0010 | Alpha | Dec 23, 2014 | Dec 30, 2014 | Jan 12, 2015 |
| № 2242 | S18 | W29 | 34 | 1080 | Beta-Gamma-Delta | Dec 19, 2014 | Dec 26, 2014 | Jan 8, 2015 |
| № 2241 | S09 | W06 | 21 | 0720 | Beta-Gamma-Delta | Dec 21, 2014 | Dec 27, 2014 | Jan 10, 2015 |
| № 2240 | N11 | W04 | 04 | 0060 | Beta | Dec 21, 2014 | Dec 27, 2014 | Jan 10, 2015 |
| № 2239 | N15 | W42 | 09 | 0040 | Beta | Dec 18, 2014 | Dec 25, 2014 | Jan 7, 2015 |
| № 2237 | S13 | W41 | 02 | 0020 | Alpha | Dec 18, 2014 | Dec 25, 2014 | Jan 7, 2015 |
| № 2236 | N30 | W32 | 01 | 0090 | Alpha | Dec 18, 2014 | Dec 26, 2014 | Jan 9, 2015 |
| № 2235 | S07 | W56 | 04 | 0060 | Beta | Dec 17, 2014 | Dec 24, 2014 | Jan 6, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1985 to December 2014. The gray background is the average SSN index.
