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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2400 | N17 | E39 | 04 | 0010 | Beta | Aug 16, 2015 | Aug 23, 2015 | Sep 5, 2015 |
| № 2399 | S16 | E03 | 03 | 0010 | Beta | Aug 13, 2015 | Aug 20, 2015 | Sep 3, 2015 |
| № 2398 | N16 | E09 | 01 | 0010 | Alpha | Aug 13, 2015 | Aug 20, 2015 | Sep 3, 2015 |
| № 2396 | S18 | W48 | 28 | 0710 | Beta | Aug 9, 2015 | Aug 16, 2015 | Aug 30, 2015 |
| № 2394 | N12 | W87 | 01 | 0030 | Alpha | Aug 6, 2015 | Aug 13, 2015 | Aug 27, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to August 2015. The gray background is the average SSN index.
