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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2406 | N03 | E36 | 01 | 0010 | Alpha | Sep 3, 2015 | Sep 9, 2015 | Sep 23, 2015 |
| № 2405 | S19 | E23 | 03 | 0020 | Beta | Sep 2, 2015 | Sep 8, 2015 | Sep 22, 2015 |
| № 2403 | S15 | W80 | 16 | 0520 | Beta-Gamma-Delta | Aug 25, 2015 | Sep 1, 2015 | Sep 14, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to August 2015. The gray background is the average SSN index.
