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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 15, 2013. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1871 | N16 | E63 | 01 | 0030 | Alpha | Oct 21, 2013 | Oct 28, 2013 | Nov 10, 2013 |
| № 1870 | S13 | W05 | 03 | 0030 | Beta | Oct 16, 2013 | Oct 22, 2013 | Nov 5, 2013 |
| № 1869 | N18 | E55 | 02 | 0040 | Beta | Oct 20, 2013 | Oct 27, 2013 | Nov 10, 2013 |
| № 1868 | N18 | E38 | 01 | 0010 | Alpha | Oct 19, 2013 | Oct 26, 2013 | Nov 8, 2013 |
| № 1867 | N24 | W43 | 05 | 0040 | Beta | Oct 13, 2013 | Oct 20, 2013 | Nov 2, 2013 |
| № 1865 | S22 | W07 | 10 | 0120 | Beta-Gamma-Delta | Oct 15, 2013 | Oct 22, 2013 | Nov 5, 2013 |
| № 1864 | S23 | W19 | 01 | 0070 | Alpha | Oct 14, 2013 | Oct 21, 2013 | Nov 4, 2013 |
| № 1863 | S18 | W61 | 03 | 0020 | Beta | Oct 11, 2013 | Oct 18, 2013 | Nov 1, 2013 |
| № 1861 | S08 | W31 | 09 | 0400 | Beta-Gamma | Oct 14, 2013 | Oct 20, 2013 | Nov 3, 2013 |
| № 1857 | S07 | W89 | 01 | 0030 | Alpha | Oct 9, 2013 | Oct 16, 2013 | Oct 30, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to October 2013. The gray background is the average SSN index.
