Sunspots and active regions — August 20, 2005
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) | |
|---|---|---|---|---|---|---|---|---|
| № 800 | N16 | E44 | 04 | 0030 | Beta | Aug 24, 2005 | Aug 31, 2005 | Sep 14, 2005 |
| № 799 | S10 | W72 | 02 | 0020 | Alpha | Aug 16, 2005 | Aug 23, 2005 | Sep 5, 2005 |
| № 798 | S10 | W21 | 14 | 0160 | Beta-Gamma | Aug 20, 2005 | Aug 26, 2005 | Sep 9, 2005 |
| № 797 | S13 | W54 | 01 | 0110 | Alpha | Aug 17, 2005 | Aug 24, 2005 | Sep 6, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, August. Gray background - average solar cycle.
