Sunspots and active regions — April 01, 2017
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2647 | N11 | E03 | 02 | 0010 | Beta | Apr 2, 2017 | Apr 9, 2017 | Apr 22, 2017 |
| № 2645 | S10 | E03 | 29 | 0380 | Beta-Gamma | Apr 2, 2017 | Apr 9, 2017 | Apr 22, 2017 |
| № 2644 | N12 | W35 | 04 | 0190 | Beta | Mar 30, 2017 | Apr 6, 2017 | Apr 20, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, April. Gray background - average solar cycle.
