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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 12, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2262 | S01 | W29 | 04 | 0020 | Beta | Jan 11, 2015 | Jan 17, 2015 | Jan 31, 2015 |
| № 2261 | S11 | E47 | 02 | 0030 | Alpha | Jan 16, 2015 | Jan 23, 2015 | Feb 6, 2015 |
| № 2260 | N09 | W15 | 04 | 0030 | Beta | Jan 12, 2015 | Jan 19, 2015 | Feb 1, 2015 |
| № 2259 | S16 | E28 | 08 | 0310 | Beta-Gamma | Jan 15, 2015 | Jan 22, 2015 | Feb 4, 2015 |
| № 2258 | N16 | E14 | 03 | 0010 | Beta | Jan 14, 2015 | Jan 21, 2015 | Feb 3, 2015 |
| № 2257 | N07 | W53 | 24 | 0450 | Beta-Gamma-Delta | Jan 9, 2015 | Jan 16, 2015 | Jan 29, 2015 |
| № 2255 | S15 | W53 | 18 | 0130 | Beta-Gamma-Delta | Jan 9, 2015 | Jan 16, 2015 | Jan 29, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to January 2015. The gray background is the average SSN index.
