Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8856 | S13 | E81 | 01 | 0040 | ALPHA | Feb 10, 2000 | Feb 17, 2000 | Mar 2, 2000 |
| № 8855 | N15 | E57 | 03 | 0020 | BETA | Feb 8, 2000 | Feb 15, 2000 | Feb 29, 2000 |
| № 8854 | S35 | E70 | 01 | 0080 | ALPHA | Feb 10, 2000 | Feb 17, 2000 | Mar 2, 2000 |
| № 8853 | S10 | E52 | 02 | 0010 | ALPHA | Feb 8, 2000 | Feb 15, 2000 | Feb 28, 2000 |
| № 8852 | N10 | W12 | 05 | 0010 | BETA | Feb 3, 2000 | Feb 10, 2000 | Feb 23, 2000 |
| № 8851 | N26 | E03 | 18 | 0110 | BETA | Feb 4, 2000 | Feb 11, 2000 | Feb 25, 2000 |
| № 8848 | S08 | W16 | 03 | 0070 | BETA | Feb 3, 2000 | Feb 10, 2000 | Feb 23, 2000 |
| № 8845 | S15 | W86 | 01 | 0030 | ALPHA | Jan 28, 2000 | Feb 4, 2000 | Feb 18, 2000 |
| № 8841 | S32 | W85 | 03 | 0050 | BETA | Jan 28, 2000 | Feb 4, 2000 | Feb 19, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to February 2000. The gray background is the average SSN index.
