Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9199 | N12 | E64 | 01 | 0040 | Alpha | Oct 22, 2000 | Oct 29, 2000 | Nov 12, 2000 |
| № 9198 | S31 | E50 | 04 | 0080 | Beta | Oct 21, 2000 | Oct 28, 2000 | Nov 12, 2000 |
| № 9194 | S12 | E19 | 13 | 0120 | Beta | Oct 19, 2000 | Oct 26, 2000 | Nov 8, 2000 |
| № 9193 | N05 | W65 | 07 | 0150 | Beta | Oct 12, 2000 | Oct 19, 2000 | Nov 2, 2000 |
| № 9192 | S13 | W55 | 06 | 0020 | Beta | Oct 13, 2000 | Oct 20, 2000 | Nov 3, 2000 |
| № 9190 | S17 | W23 | 08 | 0070 | Beta | Oct 16, 2000 | Oct 22, 2000 | Nov 5, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to October 2000. The gray background is the average SSN index.
