Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 28, 2009. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1029 | N15 | W43 | 19 | 0260 | Beta-Gamma | Oct 26, 2009 | Nov 1, 2009 | Nov 15, 2009 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1980 to October 2009. The gray background is the average SSN index.
