Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2737 | N12 | E44 | 04 | 0010 | Beta | Apr 5, 2019 | Apr 12, 2019 | Apr 26, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to April 2019. The gray background is the average SSN index.
