Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2904 | S27 | E45 | 03 | 0030 | Beta | Dec 11, 2021 | Dec 18, 2021 | Jan 1, 2022 |
| № 2903 | S18 | W24 | 02 | 0010 | Beta | Dec 5, 2021 | Dec 12, 2021 | Dec 26, 2021 |
| № 2902 | N13 | W75 | 01 | 0010 | Alpha | Dec 1, 2021 | Dec 8, 2021 | Dec 22, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to December 2021. The gray background is the average SSN index.
Diary
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