Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2731 | N13 | E49 | 02 | 0010 | Beta | Dec 20, 2018 | Dec 27, 2018 | Jan 9, 2019 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1989, January to 2018, December. Gray background - average solar cycle.
