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) | |
|---|---|---|---|---|---|---|---|---|
| № 943 | S12 | E04 | 03 | 0050 | Beta | Feb 21, 2007 | Feb 28, 2007 | Mar 14, 2007 |
| № 942 | S12 | E28 | 03 | 0060 | Beta | Feb 23, 2007 | Mar 2, 2007 | Mar 16, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, February. Gray background - average solar cycle.
