Sunspots and active regions — January 28, 2018
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| 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
Average monthly sunspot number (SSN) from 1989, January to 2018, January. Gray background - average solar cycle.
