Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1071 | S20 | W42 | 01 | 0000 | Alpha | May 7, 2010 | May 14, 2010 | May 27, 2010 |
| № 1069 | N41 | W78 | 02 | 0030 | Beta | May 4, 2010 | May 11, 2010 | May 26, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to May 2010. The gray background is the average SSN index.
