Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 6, 2000. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9155 | S10 | E07 | 03 | 0010 | BETA | Sep 8, 2000 | Sep 14, 2000 | Sep 28, 2000 |
| № 9154 | S19 | W07 | 30 | 0390 | BETA | Sep 6, 2000 | Sep 13, 2000 | Sep 27, 2000 |
| № 9152 | N18 | E09 | 02 | 0020 | ALPHA | Sep 8, 2000 | Sep 15, 2000 | Sep 28, 2000 |
| № 9151 | N09 | W21 | 12 | 0050 | BETA | Sep 5, 2000 | Sep 12, 2000 | Sep 26, 2000 |
| № 9149 | N13 | W35 | 24 | 0230 | BETA | Sep 4, 2000 | Sep 11, 2000 | Sep 25, 2000 |
| № 9147 | N06 | W40 | 02 | 0040 | ALPHA | Sep 4, 2000 | Sep 11, 2000 | Sep 24, 2000 |
| № 9145 | S10 | W63 | 01 | 0030 | ALPHA | Sep 2, 2000 | Sep 9, 2000 | Sep 23, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to September 2000. The gray background is the average SSN index.