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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2394 | N12 | E67 | 01 | 0120 | Alpha | Aug 6, 2015 | Aug 13, 2015 | Aug 26, 2015 |
| № 2393 | N16 | E47 | 08 | 0010 | Beta | Aug 4, 2015 | Aug 11, 2015 | Aug 25, 2015 |
| № 2392 | S05 | E39 | 01 | 0000 | Alpha | Aug 4, 2015 | Aug 11, 2015 | Aug 24, 2015 |
| № 2391 | N06 | E33 | 02 | 0060 | Alpha | Aug 3, 2015 | Aug 10, 2015 | Aug 24, 2015 |
| № 2390 | S15 | W51 | 10 | 0070 | Beta | Jul 28, 2015 | Aug 4, 2015 | Aug 17, 2015 |
| № 2389 | S12 | W18 | 01 | 0010 | Alpha | Jul 30, 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.
