Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1115 | S28 | E65 | 01 | 0170 | Alpha | Oct 22, 2010 | Oct 29, 2010 | Nov 12, 2010 |
| № 1114 | S21 | W53 | 02 | 0010 | Beta | Oct 13, 2010 | Oct 20, 2010 | Nov 2, 2010 |
| № 1113 | N17 | E52 | 01 | 0130 | Alpha | Oct 21, 2010 | Oct 28, 2010 | Nov 10, 2010 |
| № 1112 | S19 | W13 | 07 | 0070 | Beta | Oct 16, 2010 | Oct 23, 2010 | Nov 5, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to October 2010. The gray background is the average SSN index.