Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 28, 2020. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2760 | S07 | E06 | 02 | 0010 | Alpha | Apr 30, 2020 | May 7, 2020 | May 20, 2020 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1991 to April 2020. The gray background is the average SSN index.
