Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2306 | S17 | W50 | 04 | 0020 | Beta | Mar 19, 2015 | Mar 26, 2015 | Apr 9, 2015 |
| № 2305 | S08 | E69 | 05 | 0120 | Beta | Mar 28, 2015 | Apr 4, 2015 | Apr 17, 2015 |
| № 2303 | N19 | E13 | 01 | 0120 | Alpha | Mar 24, 2015 | Mar 31, 2015 | Apr 13, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to March 2015. The gray background is the average SSN index.
