Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2748 | N14 | E24 | 02 | 0010 | Beta | Sep 5, 2019 | Sep 11, 2019 | Sep 25, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to September 2019. The gray background is the average SSN index.
