No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 4, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1105 | N18 | W20 | 08 | 0030 | Beta | Sep 3, 2010 | Sep 10, 2010 | Sep 24, 2010 |
| № 1103 | N25 | W61 | 02 | 0010 | Beta | Aug 31, 2010 | Sep 7, 2010 | Sep 21, 2010 |
| № 1102 | N26 | W74 | 01 | 0010 | Alpha | Aug 30, 2010 | Sep 6, 2010 | Sep 20, 2010 |
| № 1101 | N12 | W55 | 03 | 0130 | Beta | Sep 1, 2010 | Sep 7, 2010 | Sep 21, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to September 2010. The gray background is the average SSN index.
