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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1526 | S17 | E65 | 03 | 0010 | Beta | Jul 27, 2012 | Aug 3, 2012 | Aug 16, 2012 |
| № 1525 | S20 | E11 | 04 | 0040 | Beta | Jul 23, 2012 | Jul 30, 2012 | Aug 12, 2012 |
| № 1524 | S17 | E12 | 03 | 0010 | Beta | Jul 23, 2012 | Jul 30, 2012 | Aug 12, 2012 |
| № 1523 | S28 | W72 | 05 | 0050 | Beta | Jul 16, 2012 | Jul 23, 2012 | Aug 6, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to July 2012. The gray background is the average SSN index.
