Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 21, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2505 | N08 | W32 | 10 | 0110 | Beta | Feb 20, 2016 | Feb 26, 2016 | Mar 11, 2016 |
| № 2504 | N12 | W17 | 03 | 0020 | Beta | Feb 21, 2016 | Feb 28, 2016 | Mar 12, 2016 |
| № 2501 | N04 | W04 | 03 | 0080 | Beta | Feb 22, 2016 | Feb 28, 2016 | Mar 13, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to February 2016. The gray background is the average SSN index.
