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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2426 | N16 | E50 | 03 | 0010 | Beta | Oct 1, 2015 | Oct 7, 2015 | Oct 21, 2015 |
| № 2425 | S06 | E01 | 02 | 0010 | Beta | Sep 27, 2015 | Oct 4, 2015 | Oct 17, 2015 |
| № 2424 | N12 | W28 | 03 | 0020 | Beta | Sep 25, 2015 | Oct 2, 2015 | Oct 15, 2015 |
| № 2423 | S08 | W35 | 04 | 0010 | Beta | Sep 24, 2015 | Oct 1, 2015 | Oct 15, 2015 |
| № 2422 | S20 | E12 | 17 | 0310 | Beta-Gamma | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
| № 2421 | N17 | W07 | 17 | 0070 | Beta | Sep 26, 2015 | Oct 3, 2015 | Oct 17, 2015 |
| № 2420 | N10 | E11 | 17 | 0150 | Beta | Sep 28, 2015 | Oct 4, 2015 | Oct 18, 2015 |
| № 2418 | S15 | W86 | 02 | 0060 | Alpha | Sep 20, 2015 | Sep 27, 2015 | Oct 11, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to September 2015. The gray background is the average SSN index.
