No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2354 | S19 | W73 | 02 | 0010 | Alpha | May 23, 2015 | May 30, 2015 | Jun 13, 2015 |
| № 2353 | N07 | W73 | 02 | 0030 | Alpha | May 23, 2015 | May 30, 2015 | Jun 13, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
