Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 28, 2018. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2697 | S10 | E88 | 05 | 0010 | Beta | Feb 5, 2018 | Feb 11, 2018 | Feb 25, 2018 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1989 to January 2018. The gray background is the average SSN index.
