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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 3, 1999. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8751 | N21 | E26 | 01 | 0040 | ALPHA | Nov 6, 1999 | Nov 13, 1999 | Nov 27, 1999 |
| № 8749 | S18 | W13 | 27 | 0210 | BETA-GAMMA | Nov 3, 1999 | Nov 10, 1999 | Nov 24, 1999 |
| № 8747 | N12 | W13 | 13 | 0100 | BETA-GAMMA | Nov 3, 1999 | Nov 10, 1999 | Nov 24, 1999 |
| № 8745 | S15 | W27 | 04 | 0050 | BETA | Nov 2, 1999 | Nov 9, 1999 | Nov 23, 1999 |
| № 8743 | S16 | W85 | 01 | 0060 | ALPHA | Oct 29, 1999 | Nov 5, 1999 | Nov 18, 1999 |
| № 8742 | N08 | W53 | 04 | 0120 | BETA | Oct 31, 1999 | Nov 7, 1999 | Nov 20, 1999 |
| № 8741 | S25 | W82 | 04 | 0100 | BETA | Oct 29, 1999 | Nov 5, 1999 | Nov 19, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to November 1999. The gray background is the average SSN index.
