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 | N12 | E40 | 02 | 0020 | alpha | Oct 29, 2017 | Nov 5, 2017 | Nov 18, 2017 |
| № 2685 | S09 | E18 | 02 | 0050 | alpha | Oct 27, 2017 | Nov 3, 2017 | Nov 17, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, October. Gray background - average solar cycle.
