Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 27, 2021. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2920 | S17 | W31 | 09 | 0030 | Beta | Dec 26, 2021 | Jan 1, 2022 | Jan 15, 2022 |
| № 2919 | S11 | E45 | 01 | 0020 | Alpha | Dec 31, 2021 | Jan 7, 2022 | Jan 21, 2022 |
| № 2918 | N19 | W03 | 17 | 0260 | Beta | Dec 28, 2021 | Jan 4, 2022 | Jan 17, 2022 |
| № 2916 | S18 | E14 | 17 | 0430 | Beta | Dec 29, 2021 | Jan 5, 2022 | Jan 19, 2022 |
| № 2912 | S13 | W27 | 01 | 0010 | Alpha | Dec 26, 2021 | Jan 2, 2022 | Jan 15, 2022 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to December 2021. The gray background is the average SSN index.
