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) | |
|---|---|---|---|---|---|---|---|---|
| № 9180 | S34 | W20 | 03 | 0020 | BETA | Oct 1, 2000 | Oct 9, 2000 | Oct 23, 2000 |
| № 9179 | N34 | W05 | 01 | 0010 | ALPHA | Oct 3, 2000 | Oct 10, 2000 | Oct 24, 2000 |
| № 9178 | S22 | E25 | 15 | 0160 | BETA | Oct 5, 2000 | Oct 12, 2000 | Oct 26, 2000 |
| № 9177 | N29 | W42 | 09 | 0070 | BETA | Sep 30, 2000 | Oct 7, 2000 | Oct 21, 2000 |
| № 9176 | S09 | E19 | 26 | 0300 | BETA-GAMMA | Oct 4, 2000 | Oct 11, 2000 | Oct 25, 2000 |
| № 9173 | S11 | W14 | 21 | 0260 | BETA | Oct 2, 2000 | Oct 9, 2000 | Oct 22, 2000 |
| № 9172 | N14 | W20 | 01 | 0040 | ALPHA | Oct 1, 2000 | Oct 8, 2000 | Oct 22, 2000 |
| № 9171 | S12 | W50 | 01 | 0020 | ALPHA | Sep 29, 2000 | Oct 6, 2000 | Oct 20, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, October. Gray background - average solar cycle.
