Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2264 | N09 | E46 | 01 | 0010 | Alpha | Jan 21, 2015 | Jan 28, 2015 | Feb 11, 2015 |
| № 2263 | N22 | E36 | 05 | 0030 | Beta | Jan 21, 2015 | Jan 28, 2015 | Feb 11, 2015 |
| № 2261 | S12 | W22 | 02 | 0020 | Alpha | Jan 16, 2015 | Jan 23, 2015 | Feb 6, 2015 |
| № 2260 | N09 | W86 | 04 | 0030 | Beta | Jan 12, 2015 | Jan 18, 2015 | Feb 1, 2015 |
| № 2259 | S17 | W36 | 13 | 0130 | Beta-Gamma | Jan 15, 2015 | Jan 22, 2015 | Feb 5, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to January 2015. The gray background is the average SSN index.
