Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2304 | N17 | W31 | 03 | 0010 | Beta | Mar 19, 2015 | Mar 25, 2015 | Apr 8, 2015 |
| № 2303 | N18 | E39 | 02 | 0070 | Alpha | Mar 24, 2015 | Mar 31, 2015 | Apr 14, 2015 |
| № 2302 | N12 | W84 | 08 | 0080 | Beta-Gamma | Mar 15, 2015 | Mar 21, 2015 | Apr 4, 2015 |
| № 2299 | S04 | W38 | 02 | 0010 | Beta | Mar 18, 2015 | Mar 25, 2015 | Apr 7, 2015 |
| № 2297 | S17 | W88 | 06 | 0250 | Beta-Gamma | Mar 14, 2015 | Mar 21, 2015 | Apr 4, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to March 2015. The gray background is the average SSN index.
