Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2916 | S18 | E84 | 01 | 0100 | Alpha | Dec 29, 2021 | Jan 5, 2022 | Jan 19, 2022 |
| № 2915 | N16 | E38 | 03 | 0030 | Beta | Dec 26, 2021 | Jan 2, 2022 | Jan 15, 2022 |
| № 2914 | S17 | E25 | 02 | 0010 | Beta | Dec 25, 2021 | Jan 1, 2022 | Jan 14, 2022 |
| № 2913 | S28 | E21 | 01 | 0010 | Alpha | Dec 24, 2021 | Jan 1, 2022 | Jan 15, 2022 |
| № 2912 | S12 | E41 | 01 | 0030 | Alpha | Dec 26, 2021 | Jan 2, 2022 | Jan 15, 2022 |
| № 2911 | N20 | E04 | 01 | 0020 | Alpha | Dec 23, 2021 | Dec 30, 2021 | Jan 13, 2022 |
| № 2910 | N15 | W77 | 03 | 0020 | Beta | Dec 17, 2021 | Dec 24, 2021 | Jan 6, 2022 |
| № 2909 | S21 | W10 | 03 | 0080 | Alpha | Dec 22, 2021 | Dec 29, 2021 | Jan 12, 2022 |
| № 2908 | S20 | W23 | 18 | 0100 | Beta | Dec 21, 2021 | Dec 28, 2021 | Jan 11, 2022 |
| № 2907 | S21 | W36 | 14 | 0200 | Beta-Gamma | Dec 20, 2021 | Dec 27, 2021 | Jan 10, 2022 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to December 2021. The gray background is the average SSN index.
