Sunspots and active regions — April 28, 2018
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2706 | N03 | W38 | 01 | 0010 | Alpha | Apr 26, 2018 | May 3, 2018 | May 16, 2018 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1989, January to 2018, April. Gray background - average solar cycle.
