Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 30, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 915 | S06 | W44 | 06 | 0040 | Beta | Sep 28, 2006 | Oct 4, 2006 | Oct 18, 2006 |
| № 914 | S07 | E64 | 02 | 0050 | Alpha | Oct 6, 2006 | Oct 12, 2006 | Oct 26, 2006 |
| № 913 | S18 | E57 | 02 | 0070 | Alpha | Oct 5, 2006 | Oct 12, 2006 | Oct 26, 2006 |
| № 912 | N03 | E54 | 01 | 0020 | Alpha | Oct 5, 2006 | Oct 12, 2006 | Oct 25, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to September 2006. The gray background is the average SSN index.
