Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9203 | N13 | W43 | 01 | 0010 | Alpha | Oct 21, 2000 | Oct 28, 2000 | Nov 10, 2000 |
| № 9202 | N10 | W24 | 02 | 0010 | Alpha | Oct 22, 2000 | Oct 29, 2000 | Nov 12, 2000 |
| № 9201 | N17 | E06 | 31 | 0250 | Beta | Oct 24, 2000 | Oct 31, 2000 | Nov 14, 2000 |
| № 9200 | S15 | W20 | 03 | 0010 | Alpha | Oct 22, 2000 | Oct 29, 2000 | Nov 12, 2000 |
| № 9199 | N09 | W31 | 09 | 0040 | Beta | Oct 22, 2000 | Oct 28, 2000 | Nov 11, 2000 |
| № 9198 | S29 | W37 | 11 | 0160 | Beta | Oct 21, 2000 | Oct 28, 2000 | Nov 11, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to October 2000. The gray background is the average SSN index.