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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1682 | S18 | E09 | 03 | 0030 | Beta-Gamma | Feb 28, 2013 | Mar 7, 2013 | Mar 20, 2013 |
| № 1681 | N16 | E59 | 01 | 0030 | Alpha | Mar 3, 2013 | Mar 10, 2013 | Mar 24, 2013 |
| № 1680 | S28 | E35 | 03 | 0040 | Beta | Mar 2, 2013 | Mar 9, 2013 | Mar 23, 2013 |
| № 1676 | S18 | W39 | 01 | 0010 | Alpha | Feb 24, 2013 | Mar 3, 2013 | Mar 17, 2013 |
| № 1675 | N13 | W90 | 01 | 0000 | Alpha | Feb 20, 2013 | Feb 27, 2013 | Mar 13, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to February 2013. The gray background is the average SSN index.
