No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 20, 2005. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 811 | S10 | E02 | 01 | 0000 | Alpha | Sep 21, 2005 | Sep 28, 2005 | Oct 11, 2005 |
| № 810 | N10 | E53 | 09 | 0180 | Beta | Sep 25, 2005 | Oct 2, 2005 | Oct 15, 2005 |
| № 808 | S11 | W76 | 03 | 0280 | Alpha | Sep 15, 2005 | Sep 22, 2005 | Oct 6, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to September 2005. The gray background is the average SSN index.
