Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2538 | S04 | E36 | 03 | 0010 | Beta | May 2, 2016 | May 8, 2016 | May 22, 2016 |
| № 2537 | S07 | W48 | 09 | 0040 | Beta | Apr 25, 2016 | May 2, 2016 | May 16, 2016 |
| № 2536 | N15 | E43 | 09 | 0080 | Beta | May 2, 2016 | May 9, 2016 | May 23, 2016 |
| № 2535 | N06 | E32 | 02 | 0020 | Alpha | May 1, 2016 | May 8, 2016 | May 22, 2016 |
| № 2533 | S03 | W22 | 01 | 0110 | Alpha | Apr 27, 2016 | May 4, 2016 | May 17, 2016 |
| № 2532 | N05 | W80 | 02 | 0020 | Beta | Apr 23, 2016 | Apr 30, 2016 | May 13, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to April 2016. The gray background is the average SSN index.
