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) | |
|---|---|---|---|---|---|---|---|---|
| № 2314 | S21 | E54 | 02 | 0020 | Beta | Apr 2, 2015 | Apr 9, 2015 | Apr 23, 2015 |
| № 2313 | N17 | E26 | 01 | 0030 | Alpha | Mar 31, 2015 | Apr 7, 2015 | Apr 21, 2015 |
| № 2312 | N08 | E12 | 01 | 0010 | Alpha | Mar 30, 2015 | Apr 6, 2015 | Apr 19, 2015 |
| № 2310 | N04 | E01 | 02 | 0010 | Beta | Mar 29, 2015 | Apr 5, 2015 | Apr 18, 2015 |
| № 2309 | N14 | W79 | 02 | 0060 | Beta | Mar 23, 2015 | Mar 30, 2015 | Apr 12, 2015 |
| № 2307 | S19 | W39 | 03 | 0010 | Beta | Mar 26, 2015 | Apr 2, 2015 | Apr 16, 2015 |
| № 2305 | S09 | W10 | 17 | 0410 | Beta-Gamma | Mar 28, 2015 | Apr 4, 2015 | Apr 18, 2015 |
| № 2303 | N18 | W66 | 01 | 0050 | Beta | Mar 24, 2015 | Mar 31, 2015 | Apr 14, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, March. Gray background - average solar cycle.

