Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 1, 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 | E56 | 02 | 0120 | Alpha | Aug 6, 2015 | Aug 13, 2015 | Aug 26, 2015 |
| № 2393 | N17 | E36 | 06 | 0090 | Beta | Aug 5, 2015 | Aug 11, 2015 | Aug 25, 2015 |
| № 2392 | S04 | E25 | 01 | 0000 | Alpha | Aug 4, 2015 | Aug 10, 2015 | Aug 24, 2015 |
| № 2391 | N07 | E19 | 01 | 0050 | Alpha | Aug 3, 2015 | Aug 10, 2015 | Aug 24, 2015 |
| № 2390 | S15 | W64 | 11 | 0100 | Beta-Gamma | Jul 28, 2015 | Aug 4, 2015 | Aug 17, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to August 2015. The gray background is the average SSN index.