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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2333 | N20 | E27 | 05 | 0020 | Alpha | Apr 29, 2015 | May 6, 2015 | May 20, 2015 |
| № 2331 | S09 | W45 | 18 | 0220 | Beta-Gamma | Apr 23, 2015 | Apr 30, 2015 | May 14, 2015 |
| № 2327 | S10 | W35 | 02 | 0080 | Alpha | Apr 24, 2015 | May 1, 2015 | May 15, 2015 |
| № 2325 | N04 | W77 | 01 | 0220 | Alpha | Apr 21, 2015 | Apr 28, 2015 | May 11, 2015 |
| № 2324 | N19 | W84 | 01 | 0010 | Alpha | Apr 20, 2015 | Apr 27, 2015 | May 11, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to April 2015. The gray background is the average SSN index.
