Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 21, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2488 | N04 | E52 | 05 | 0040 | Beta | Jan 26, 2016 | Feb 2, 2016 | Feb 15, 2016 |
| № 2487 | S13 | E36 | 07 | 0060 | Beta | Jan 25, 2016 | Feb 1, 2016 | Feb 14, 2016 |
| № 2486 | S20 | E31 | 01 | 0050 | Alpha | Jan 24, 2016 | Jan 31, 2016 | Feb 14, 2016 |
| № 2484 | N08 | W83 | 06 | 0030 | Beta | Jan 16, 2016 | Jan 23, 2016 | Feb 5, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to January 2016. The gray background is the average SSN index.
