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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 17, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1523 | S28 | W25 | 03 | 0040 | Beta | Jul 16, 2012 | Jul 23, 2012 | Aug 6, 2012 |
| № 1522 | N11 | W80 | 04 | 0060 | Beta | Jul 12, 2012 | Jul 19, 2012 | Aug 2, 2012 |
| № 1521 | S22 | W75 | 08 | 0220 | Beta | Jul 13, 2012 | Jul 19, 2012 | Aug 2, 2012 |
| № 1520 | S16 | W62 | 12 | 0430 | Beta-Gamma | Jul 14, 2012 | Jul 20, 2012 | Aug 3, 2012 |
| № 1519 | S17 | W85 | 12 | 0090 | Beta | Jul 12, 2012 | Jul 19, 2012 | Aug 1, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to July 2012. The gray background is the average SSN index.
