Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 18, 2019. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2735 | N03 | E30 | 03 | 0010 | Beta | Mar 21, 2019 | Mar 28, 2019 | Apr 11, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to March 2019. The gray background is the average SSN index.
