Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8838 | N12 | E66 | 03 | 0050 | BETA | Jan 25, 2000 | Feb 1, 2000 | Feb 14, 2000 |
| № 8837 | S08 | W27 | 09 | 0030 | BETA | Jan 18, 2000 | Jan 25, 2000 | Feb 7, 2000 |
| № 8836 | S12 | E24 | 05 | 0010 | BETA | Jan 22, 2000 | Jan 29, 2000 | Feb 11, 2000 |
| № 8833 | N17 | E14 | 07 | 0150 | BETA | Jan 21, 2000 | Jan 28, 2000 | Feb 11, 2000 |
| № 8832 | S14 | W63 | 01 | 0010 | ALPHA | Jan 15, 2000 | Jan 22, 2000 | Feb 5, 2000 |
| № 8831 | S18 | E01 | 17 | 0220 | BETA | Jan 20, 2000 | Jan 27, 2000 | Feb 10, 2000 |
| № 8830 | S15 | W64 | 01 | 0000 | ALPHA | Jan 15, 2000 | Jan 22, 2000 | Feb 5, 2000 |
| № 8829 | N15 | W19 | 05 | 0100 | BETA | Jan 19, 2000 | Jan 25, 2000 | Feb 8, 2000 |
| № 8828 | S23 | W34 | 06 | 0040 | BETA | Jan 17, 2000 | Jan 24, 2000 | Feb 7, 2000 |
| № 8824 | S12 | W43 | 20 | 0150 | BETA | Jan 17, 2000 | Jan 24, 2000 | Feb 6, 2000 |
| № 8821 | N27 | W75 | 01 | 0080 | ALPHA | Jan 14, 2000 | Jan 21, 2000 | Feb 4, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to January 2000. The gray background is the average SSN index.
