Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2556 | N05 | E74 | 01 | 0030 | Alpha | Jun 24, 2016 | Jul 1, 2016 | Jul 15, 2016 |
| № 2555 | S09 | W68 | 04 | 0080 | Beta | Jun 14, 2016 | Jun 21, 2016 | Jul 4, 2016 |
| № 2553 | S07 | W20 | 01 | 0300 | Alpha | Jun 17, 2016 | Jun 24, 2016 | Jul 8, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to June 2016. The gray background is the average SSN index.