Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 9168 | N09 | E06 | 03 | 0010 | BETA | Sep 19, 2000 | Sep 26, 2000 | Oct 10, 2000 |
| № 9167 | N11 | E69 | 05 | 0170 | BETA | Sep 24, 2000 | Oct 1, 2000 | Oct 15, 2000 |
| № 9166 | S14 | E37 | 32 | 0340 | BETA | Sep 22, 2000 | Sep 29, 2000 | Oct 12, 2000 |
| № 9165 | N14 | W26 | 32 | 0230 | BETA-GAMMA | Sep 17, 2000 | Sep 24, 2000 | Oct 7, 2000 |
| № 9164 | S13 | W69 | 05 | 0030 | BETA | Sep 14, 2000 | Sep 21, 2000 | Oct 4, 2000 |
| № 9161 | N06 | W28 | 09 | 0070 | BETA | Sep 17, 2000 | Sep 24, 2000 | Oct 7, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, September. Gray background - average solar cycle.
