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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1117 | N23 | E38 | 01 | 0070 | Alpha | Oct 27, 2010 | Nov 3, 2010 | Nov 17, 2010 |
| № 1115 | S30 | W20 | 01 | 0110 | Alpha | Oct 22, 2010 | Oct 29, 2010 | Nov 13, 2010 |
| № 1113 | N16 | W38 | 02 | 0090 | Alpha | Oct 21, 2010 | Oct 28, 2010 | Nov 10, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to October 2010. The gray background is the average SSN index.
