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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1777 | S16 | E68 | 01 | 0070 | Alpha | Jun 27, 2013 | Jul 4, 2013 | Jul 18, 2013 |
| № 1776 | N10 | W22 | 12 | 0070 | Beta | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1775 | S26 | E08 | 11 | 0300 | Beta-Delta | Jun 22, 2013 | Jun 29, 2013 | Jul 13, 2013 |
| № 1774 | S16 | W08 | 04 | 0030 | Beta | Jun 21, 2013 | Jun 28, 2013 | Jul 12, 2013 |
| № 1773 | N03 | W02 | 12 | 0080 | Beta | Jun 22, 2013 | Jun 28, 2013 | Jul 12, 2013 |
| № 1772 | S20 | W23 | 17 | 0070 | Beta | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1770 | S14 | W21 | 01 | 0040 | Alpha | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to June 2013. The gray background is the average SSN index.
