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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2391 | N07 | E58 | 01 | 0050 | Alpha | Aug 3, 2015 | Aug 10, 2015 | Aug 24, 2015 |
| № 2390 | S15 | W24 | 17 | 0150 | Beta-Gamma | Jul 28, 2015 | Aug 4, 2015 | Aug 18, 2015 |
| № 2389 | S12 | E11 | 08 | 0010 | Beta | Jul 31, 2015 | Aug 6, 2015 | Aug 20, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to July 2015. The gray background is the average SSN index.
