Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 18, 2017. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2688 | N11 | W36 | 02 | 0010 | Beta | Nov 17, 2017 | Nov 23, 2017 | Dec 7, 2017 |
| № 2687 | S08 | E27 | 04 | 0060 | Alpha | Nov 21, 2017 | Nov 28, 2017 | Dec 12, 2017 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to November 2017. The gray background is the average SSN index.
