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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2323 | S16 | W61 | 04 | 0020 | Beta | Apr 10, 2015 | Apr 17, 2015 | May 1, 2015 |
| № 2322 | N14 | E13 | 04 | 0030 | Beta | Apr 16, 2015 | Apr 23, 2015 | May 6, 2015 |
| № 2321 | N13 | E41 | 14 | 0620 | Beta-Gamma-Delta | Apr 18, 2015 | Apr 25, 2015 | May 8, 2015 |
| № 2320 | S14 | W77 | 06 | 0070 | Beta | Apr 9, 2015 | Apr 16, 2015 | Apr 30, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to April 2015. The gray background is the average SSN index.
