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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2355 | S10 | E41 | 05 | 0030 | Beta | May 29, 2015 | Jun 5, 2015 | Jun 18, 2015 |
| № 2354 | S21 | W30 | 01 | 0000 | Alpha | May 24, 2015 | May 31, 2015 | Jun 13, 2015 |
| № 2353 | N07 | W31 | 09 | 0060 | Beta | May 24, 2015 | May 30, 2015 | Jun 13, 2015 |
| № 2349 | S21 | W49 | 08 | 0060 | Beta | May 22, 2015 | May 29, 2015 | Jun 12, 2015 |
| № 2348 | S12 | W72 | 01 | 0030 | Alpha | May 21, 2015 | May 27, 2015 | Jun 10, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
