Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1116 | N22 | W12 | 02 | 0020 | Beta | Oct 18, 2010 | Oct 25, 2010 | Nov 8, 2010 |
| № 1115 | S28 | E39 | 01 | 0140 | Alpha | Oct 22, 2010 | Oct 29, 2010 | Nov 12, 2010 |
| № 1113 | N18 | E25 | 02 | 0160 | Alpha | Oct 21, 2010 | Oct 28, 2010 | Nov 10, 2010 |
| № 1112 | S20 | W42 | 16 | 0180 | Beta-Gamma | 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.
