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) | |
|---|---|---|---|---|---|---|---|---|
| № 8843 | N14 | E14 | 03 | 0010 | BETA | Jan 26, 2000 | Feb 2, 2000 | Feb 16, 2000 |
| № 8842 | S17 | W10 | 03 | 0010 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8841 | S29 | E43 | 04 | 0080 | BETA | Jan 28, 2000 | Feb 4, 2000 | Feb 19, 2000 |
| № 8840 | S24 | W06 | 03 | 0020 | BETA | Jan 25, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8839 | N11 | W34 | 11 | 0060 | BETA | Jan 22, 2000 | Jan 29, 2000 | Feb 12, 2000 |
| № 8838 | N12 | W00 | 04 | 0020 | BETA | Jan 25, 2000 | Feb 1, 2000 | Feb 14, 2000 |
| № 8837 | S08 | W91 | 01 | 0190 | ALPHA | Jan 18, 2000 | Jan 25, 2000 | Feb 7, 2000 |
| № 8833 | N18 | W51 | 01 | 0110 | ALPHA | Jan 21, 2000 | Jan 28, 2000 | Feb 11, 2000 |
| № 8831 | S17 | W67 | 04 | 0090 | BETA | Jan 20, 2000 | Jan 27, 2000 | Feb 9, 2000 |
| № 8829 | N17 | W86 | 01 | 0050 | ALPHA | Jan 18, 2000 | Jan 25, 2000 | Feb 8, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, January. Gray background - average solar cycle.

