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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1704 | N15 | E74 | 01 | 0060 | Alpha | Mar 31, 2013 | Apr 6, 2013 | Apr 20, 2013 |
| № 1703 | S25 | W72 | 07 | 0080 | Beta | Mar 19, 2013 | Mar 26, 2013 | Apr 9, 2013 |
| № 1702 | N08 | W51 | 07 | 0050 | Beta | Mar 21, 2013 | Mar 28, 2013 | Apr 10, 2013 |
| № 1695 | N09 | W90 | 01 | 0060 | Alpha | Mar 18, 2013 | Mar 25, 2013 | Apr 8, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to March 2013. The gray background is the average SSN index.
