Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2293 | N06 | W24 | 07 | 0050 | Beta | Mar 3, 2015 | Mar 10, 2015 | Mar 23, 2015 |
| № 2292 | S08 | W57 | 11 | 0090 | Beta | Mar 1, 2015 | Mar 7, 2015 | Mar 21, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to March 2015. The gray background is the average SSN index.