Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1724 | S27 | E70 | 02 | 0040 | Alpha | Apr 20, 2013 | Apr 27, 2013 | May 11, 2013 |
| № 1723 | S18 | E49 | 02 | 0010 | Beta | Apr 19, 2013 | Apr 26, 2013 | May 9, 2013 |
| № 1722 | S21 | E03 | 04 | 0020 | Beta | Apr 15, 2013 | Apr 22, 2013 | May 6, 2013 |
| № 1721 | S18 | W07 | 18 | 0190 | Beta | Apr 14, 2013 | Apr 21, 2013 | May 5, 2013 |
| № 1719 | N10 | W28 | 26 | 0140 | Beta-Gamma | Apr 13, 2013 | Apr 20, 2013 | May 3, 2013 |
| № 1718 | N21 | W58 | 25 | 0350 | Beta-Gamma | Apr 11, 2013 | Apr 17, 2013 | May 1, 2013 |
| № 1714 | N14 | W79 | 01 | 0040 | Alpha | Apr 9, 2013 | Apr 16, 2013 | Apr 29, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to April 2013. The gray background is the average SSN index.
