Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8843 | N14 | E16 | 03 | 0010 | BETA | Jan 26, 2000 | Feb 2, 2000 | Feb 16, 2000 |
| № 8842 | S17 | W08 | 03 | 0010 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8841 | S29 | E45 | 04 | 0080 | BETA | Jan 28, 2000 | Feb 4, 2000 | Feb 19, 2000 |
| № 8840 | S24 | W04 | 03 | 0020 | BETA | Jan 25, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8839 | N11 | W32 | 11 | 0060 | BETA | Jan 22, 2000 | Jan 29, 2000 | Feb 12, 2000 |
| № 8838 | N12 | E02 | 04 | 0020 | BETA | Jan 25, 2000 | Feb 1, 2000 | Feb 14, 2000 |
| № 8837 | S08 | W89 | 01 | 0190 | ALPHA | Jan 18, 2000 | Jan 25, 2000 | Feb 7, 2000 |
| № 8833 | N18 | W49 | 01 | 0110 | ALPHA | Jan 21, 2000 | Jan 28, 2000 | Feb 11, 2000 |
| № 8831 | S17 | W65 | 04 | 0090 | BETA | Jan 20, 2000 | Jan 27, 2000 | Feb 9, 2000 |
| № 8829 | N17 | W84 | 01 | 0050 | ALPHA | Jan 18, 2000 | Jan 25, 2000 | Feb 8, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to January 2000. The gray background is the average SSN index.
