Sunspots and active regions — January 31, 2019
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2733 | N04 | W89 | 02 | 0090 | Beta | Jan 25, 2019 | Feb 1, 2019 | Feb 15, 2019 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1990, January to 2019, January. Gray background - average solar cycle.
