Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2897 | N15 | E62 | 02 | 0080 | Alpha | Nov 23, 2021 | Nov 30, 2021 | Dec 13, 2021 |
| № 2896 | S18 | E44 | 01 | 0090 | Alpha | Nov 21, 2021 | Nov 28, 2021 | Dec 12, 2021 |
| № 2894 | S27 | W75 | 02 | 0160 | Alpha | Nov 12, 2021 | Nov 19, 2021 | Dec 3, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to November 2021. The gray background is the average SSN index.
