Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 16, 2019. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2741 | N05 | W42 | 03 | 0150 | Alpha | May 14, 2019 | May 20, 2019 | Jun 3, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to May 2019. The gray background is the average SSN index.