Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2733 | N06 | E50 | 08 | 0020 | Beta | Jan 26, 2019 | Feb 1, 2019 | Feb 15, 2019 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1990 to January 2019. The gray background is the average SSN index.
