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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 10, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1314 | N26 | E74 | 01 | 0180 | Alpha | Oct 17, 2011 | Oct 24, 2011 | Nov 7, 2011 |
| № 1313 | S15 | E15 | 06 | 0090 | Beta | Oct 12, 2011 | Oct 19, 2011 | Nov 1, 2011 |
| № 1312 | N23 | E12 | 01 | 0210 | Alpha | Oct 12, 2011 | Oct 19, 2011 | Nov 2, 2011 |
| № 1311 | S11 | W48 | 01 | 0040 | Alpha | Oct 7, 2011 | Oct 14, 2011 | Oct 28, 2011 |
| № 1310 | S33 | W64 | 01 | 0010 | Alpha | Oct 6, 2011 | Oct 13, 2011 | Oct 27, 2011 |
| № 1309 | N23 | W22 | 01 | 0070 | Alpha | Oct 9, 2011 | Oct 16, 2011 | Oct 30, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to October 2011. The gray background is the average SSN index.
