Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 28, 2017. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2629 | N15 | E18 | 08 | 0160 | Beta | Jan 30, 2017 | Feb 6, 2017 | Feb 20, 2017 |
| № 2628 | N12 | W48 | 05 | 0110 | Beta | Jan 25, 2017 | Feb 1, 2017 | Feb 15, 2017 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to January 2017. The gray background is the average SSN index.
