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) | |
|---|---|---|---|---|---|---|---|---|
| № 1463 | S26 | W35 | 05 | 0040 | beta | Apr 16, 2012 | Apr 23, 2012 | May 7, 2012 |
| № 1462 | S24 | W17 | 07 | 0030 | beta | Apr 18, 2012 | Apr 25, 2012 | May 8, 2012 |
| № 1461 | N13 | E51 | 01 | 0090 | alpha | Apr 23, 2012 | Apr 30, 2012 | May 13, 2012 |
| № 1460 | N16 | E13 | 13 | 0170 | beta | Apr 20, 2012 | Apr 27, 2012 | May 10, 2012 |
| № 1459 | S16 | E29 | 20 | 0260 | beta | Apr 21, 2012 | Apr 28, 2012 | May 12, 2012 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1983, January to 2012, April. Gray background - average solar cycle.
