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) | |
|---|---|---|---|---|---|---|---|---|
| № 8848 | S07 | E78 | 01 | 0010 | ALPHA | Feb 3, 2000 | Feb 10, 2000 | Feb 23, 2000 |
| № 8847 | S26 | W28 | 01 | 0000 | ALPHA | Jan 26, 2000 | Feb 2, 2000 | Feb 16, 2000 |
| № 8846 | N37 | E51 | 02 | 0000 | ALPHA | Feb 1, 2000 | Feb 8, 2000 | Feb 23, 2000 |
| № 8845 | S15 | E09 | 06 | 0040 | BETA | Jan 29, 2000 | Feb 5, 2000 | Feb 18, 2000 |
| № 8844 | N04 | W47 | 16 | 0210 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8843 | N14 | W27 | 01 | 0000 | ALPHA | Jan 26, 2000 | Feb 2, 2000 | Feb 15, 2000 |
| № 8842 | S17 | W52 | 06 | 0020 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8841 | S30 | E05 | 05 | 0150 | BETA | Jan 28, 2000 | Feb 4, 2000 | Feb 19, 2000 |
| № 8840 | S25 | W50 | 01 | 0000 | ALPHA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8839 | N14 | W78 | 01 | 0000 | ALPHA | Jan 22, 2000 | Jan 29, 2000 | Feb 12, 2000 |
| № 8833 | N20 | W88 | 01 | 0120 | ALPHA | Jan 21, 2000 | Jan 28, 2000 | Feb 11, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, January. Gray background - average solar cycle.
