Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2667 | N12 | W83 | 01 | 0010 | Alpha | Jul 10, 2017 | Jul 16, 2017 | Jul 30, 2017 |
| № 2666 | N12 | W30 | 09 | 0020 | Beta | Jul 14, 2017 | Jul 20, 2017 | Aug 3, 2017 |
| № 2665 | S06 | W41 | 18 | 0460 | Beta | Jul 13, 2017 | Jul 20, 2017 | Aug 2, 2017 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to July 2017. The gray background is the average SSN index.
