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) | |
|---|---|---|---|---|---|---|---|---|
| № 9171 | S15 | E59 | 03 | 0050 | BETA | Sep 29, 2000 | Oct 6, 2000 | Oct 20, 2000 |
| № 9170 | S06 | E01 | 20 | 0070 | BETA | Sep 25, 2000 | Oct 2, 2000 | Oct 15, 2000 |
| № 9169 | N11 | E04 | 90 | 1970 | BETA-GAMMA-DELTA | Sep 25, 2000 | Oct 2, 2000 | Oct 16, 2000 |
| № 9167 | N14 | W11 | 11 | 0140 | BETA | Sep 24, 2000 | Oct 1, 2000 | Oct 15, 2000 |
| № 9166 | S11 | W44 | 42 | 0450 | BETA | Sep 22, 2000 | Sep 28, 2000 | Oct 12, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, September. Gray background - average solar cycle.
