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) | |
|---|---|---|---|---|---|---|---|---|
| № 2788 | S29 | W18 | 03 | 0010 | Alpha | Dec 1, 2020 | Dec 8, 2020 | Dec 22, 2020 |
| № 2787 | N30 | E24 | 01 | 0010 | Alpha | Dec 4, 2020 | Dec 11, 2020 | Dec 25, 2020 |
| № 2786 | S17 | W10 | 17 | 0590 | Beta | Dec 1, 2020 | Dec 8, 2020 | Dec 22, 2020 |
| № 2785 | S22 | W34 | 01 | 0100 | Alpha | Nov 29, 2020 | Dec 6, 2020 | Dec 20, 2020 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1991, January to 2020, December. Gray background - average solar cycle.

