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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2386 | N11 | E43 | 01 | 0060 | Alpha | Jul 19, 2015 | Jul 26, 2015 | Aug 9, 2015 |
| № 2384 | S18 | W18 | 03 | 0150 | Beta | Jul 15, 2015 | Jul 21, 2015 | Aug 4, 2015 |
| № 2381 | N15 | W79 | 05 | 0320 | Beta | Jul 10, 2015 | Jul 17, 2015 | Jul 30, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to July 2015. The gray background is the average SSN index.
