Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2686 | N13 | W26 | 01 | 0010 | Alpha | Oct 30, 2017 | Nov 6, 2017 | Nov 19, 2017 |
| № 2685 | S09 | W49 | 01 | 0000 | Alpha | Oct 28, 2017 | Nov 4, 2017 | Nov 18, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, October. Gray background - average solar cycle.
