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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2795 | S18 | W68 | 01 | 0000 | Alpha | Dec 30, 2020 | Jan 6, 2021 | Jan 19, 2021 |
| № 2794 | S16 | W93 | 01 | 0120 | Alpha | Dec 28, 2020 | Jan 4, 2021 | Jan 17, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to January 2021. The gray background is the average SSN index.
