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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 20, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2387 | N17 | E20 | 11 | 0100 | Beta | Jul 22, 2015 | Jul 29, 2015 | Aug 12, 2015 |
| № 2386 | N11 | W18 | 04 | 0060 | Alpha | Jul 19, 2015 | Jul 26, 2015 | Aug 9, 2015 |
| № 2384 | S17 | W78 | 01 | 0060 | Alpha | Jul 15, 2015 | Jul 22, 2015 | Aug 4, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to July 2015. The gray background is the average SSN index.
