Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2294 | S14 | W56 | 01 | 0010 | Alpha | Feb 28, 2015 | Mar 7, 2015 | Mar 20, 2015 |
| № 2293 | N06 | W12 | 15 | 0060 | Beta | Mar 3, 2015 | Mar 10, 2015 | Mar 23, 2015 |
| № 2292 | S08 | W44 | 08 | 0070 | Beta | Mar 1, 2015 | Mar 7, 2015 | Mar 21, 2015 |
| № 2290 | N22 | W94 | 01 | 0030 | Alpha | Feb 25, 2015 | Mar 4, 2015 | Mar 18, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, March. Gray background - average solar cycle.
