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) | |
|---|---|---|---|---|---|---|---|---|
| № 9170 | S07 | E30 | 08 | 0040 | BETA | Sep 25, 2000 | Oct 2, 2000 | Oct 15, 2000 |
| № 9169 | N09 | E34 | 68 | 1910 | BETA-GAMMA-DELTA | Sep 25, 2000 | Oct 2, 2000 | Oct 16, 2000 |
| № 9167 | N12 | E19 | 20 | 0160 | BETA | Sep 24, 2000 | Oct 1, 2000 | Oct 15, 2000 |
| № 9166 | S12 | W14 | 49 | 0760 | BETA-GAMMA | Sep 22, 2000 | Sep 29, 2000 | Oct 12, 2000 |
| № 9165 | N16 | W78 | 03 | 0030 | ALPHA | 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.
