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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1775 | S26 | E50 | 09 | 0380 | Beta-Delta | Jun 23, 2013 | Jun 30, 2013 | Jul 14, 2013 |
| № 1774 | S18 | E33 | 03 | 0080 | Beta | Jun 21, 2013 | Jun 28, 2013 | Jul 12, 2013 |
| № 1773 | N04 | E39 | 13 | 0090 | Beta | Jun 22, 2013 | Jun 29, 2013 | Jul 12, 2013 |
| № 1772 | S20 | E17 | 17 | 0100 | Beta | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1770 | S14 | E18 | 01 | 0080 | Alpha | Jun 20, 2013 | Jun 27, 2013 | Jul 11, 2013 |
| № 1768 | S12 | W83 | 07 | 0260 | Beta | Jun 13, 2013 | Jun 19, 2013 | Jul 3, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to June 2013. The gray background is the average SSN index.
