Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 27, 2017. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2644 | N12 | E30 | 10 | 0050 | Beta | Mar 30, 2017 | Apr 6, 2017 | Apr 20, 2017 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to March 2017. The gray background is the average SSN index.
