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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1685 | S16 | E61 | 02 | 0030 | Beta | Mar 9, 2013 | Mar 15, 2013 | Mar 29, 2013 |
| № 1684 | N17 | W01 | 04 | 0010 | Beta | Mar 4, 2013 | Mar 11, 2013 | Mar 24, 2013 |
| № 1683 | S16 | E42 | 14 | 0210 | Beta-Gamma | Mar 7, 2013 | Mar 14, 2013 | Mar 28, 2013 |
| № 1682 | S18 | W56 | 05 | 0240 | Beta | Feb 28, 2013 | Mar 7, 2013 | Mar 20, 2013 |
| № 1681 | N17 | W07 | 02 | 0010 | Alpha | Mar 3, 2013 | Mar 10, 2013 | Mar 24, 2013 |
| № 1680 | S28 | W27 | 03 | 0010 | Beta | Mar 2, 2013 | Mar 9, 2013 | Mar 23, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to March 2013. The gray background is the average SSN index.
