Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8844 | N07 | W18 | 03 | 0020 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8843 | N15 | E04 | 04 | 0010 | BETA | Jan 26, 2000 | Feb 2, 2000 | Feb 16, 2000 |
| № 8842 | S16 | W21 | 08 | 0050 | BETA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8841 | S29 | E32 | 07 | 0120 | BETA | Jan 28, 2000 | Feb 4, 2000 | Feb 19, 2000 |
| № 8840 | S24 | W19 | 03 | 0010 | ALPHA | Jan 24, 2000 | Jan 31, 2000 | Feb 14, 2000 |
| № 8839 | N12 | W45 | 10 | 0050 | BETA | Jan 22, 2000 | Jan 29, 2000 | Feb 12, 2000 |
| № 8838 | N12 | W13 | 06 | 0020 | BETA | Jan 25, 2000 | Feb 1, 2000 | Feb 14, 2000 |
| № 8833 | N19 | W62 | 01 | 0100 | ALPHA | Jan 21, 2000 | Jan 28, 2000 | Feb 11, 2000 |
| № 8831 | S17 | W79 | 01 | 0060 | ALPHA | Jan 20, 2000 | Jan 27, 2000 | Feb 9, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to January 2000. The gray background is the average SSN index.
