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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2335 | S15 | E78 | 03 | 0030 | Alpha | May 8, 2015 | May 15, 2015 | May 28, 2015 |
| № 2334 | S19 | E13 | 04 | 0020 | Beta | May 3, 2015 | May 10, 2015 | May 23, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
