Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1058 | N25 | W19 | 01 | 0005 | Alpha | Mar 26, 2010 | Apr 2, 2010 | Apr 16, 2010 |
| № 1057 | N15 | E32 | 06 | 0320 | Beta | Mar 30, 2010 | Apr 6, 2010 | Apr 20, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to March 2010. The gray background is the average SSN index.
