Sunspots and active regions — August 21, 2006
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) | |
|---|---|---|---|---|---|---|---|---|
| № 904 | S14 | W71 | 05 | 0520 | Beta | Aug 17, 2006 | Aug 23, 2006 | Sep 6, 2006 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1977, January to 2006, August. Gray background - average solar cycle.
