Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 10, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1047 | S17 | E64 | 01 | 0010 | Alpha | Feb 16, 2010 | Feb 22, 2010 | Mar 8, 2010 |
| № 1046 | N24 | E45 | 07 | 0010 | Beta | Feb 14, 2010 | Feb 21, 2010 | Mar 7, 2010 |
| № 1045 | N23 | W23 | 25 | 0300 | Beta-Gamma-Delta | Feb 9, 2010 | Feb 16, 2010 | Mar 2, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to February 2010. The gray background is the average SSN index.
