Sunspots and active regions — November 17, 2021
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| 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
Average monthly sunspot number (SSN) from 1992, January to 2021, November. Gray background - average solar cycle.
