Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8866 | N18 | E64 | 01 | 0000 | ALPHA | Feb 15, 2000 | Feb 22, 2000 | Mar 6, 2000 |
| № 8865 | S12 | E22 | 01 | 0000 | ALPHA | Feb 12, 2000 | Feb 18, 2000 | Mar 3, 2000 |
| № 8864 | N44 | W16 | 01 | 0000 | ALPHA | Feb 9, 2000 | Feb 16, 2000 | Mar 2, 2000 |
| № 8863 | S14 | E70 | 03 | 0040 | BETA | Feb 15, 2000 | Feb 22, 2000 | Mar 7, 2000 |
| № 8862 | S05 | E48 | 01 | 0150 | ALPHA | Feb 14, 2000 | Feb 20, 2000 | Mar 5, 2000 |
| № 8861 | N07 | W53 | 13 | 0290 | BETA | Feb 6, 2000 | Feb 13, 2000 | Feb 26, 2000 |
| № 8858 | N28 | E14 | 17 | 0100 | BETA | Feb 11, 2000 | Feb 18, 2000 | Mar 3, 2000 |
| № 8857 | S18 | W59 | 09 | 0030 | BETA | Feb 6, 2000 | Feb 12, 2000 | Feb 26, 2000 |
| № 8856 | S14 | E07 | 08 | 0110 | BETA | Feb 11, 2000 | Feb 17, 2000 | Mar 2, 2000 |
| № 8855 | N17 | W26 | 03 | 0010 | BETA | Feb 8, 2000 | Feb 15, 2000 | Feb 29, 2000 |
| № 8854 | S33 | W03 | 04 | 0010 | BETA | Feb 10, 2000 | Feb 17, 2000 | Mar 2, 2000 |
| № 8853 | S13 | W27 | 02 | 0010 | ALPHA | Feb 8, 2000 | Feb 15, 2000 | Feb 28, 2000 |
| № 8851 | N20 | W74 | 05 | 0020 | BETA | Feb 4, 2000 | Feb 11, 2000 | Feb 25, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to February 2000. The gray background is the average SSN index.
