Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 28, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1051 | N15 | E29 | 04 | 0030 | Beta | Mar 3, 2010 | Mar 10, 2010 | Mar 24, 2010 |
| № 1050 | S18 | W62 | 02 | 0000 | Alpha | Feb 24, 2010 | Mar 3, 2010 | Mar 17, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to February 2010. The gray background is the average SSN index.
