Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2745 | N02 | W07 | 01 | 0000 | Alpha | Jul 21, 2019 | Jul 28, 2019 | Aug 11, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to July 2019. The gray background is the average SSN index.
