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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8753 | N21 | E63 | 01 | 0000 | ALPHA | Nov 10, 1999 | Nov 17, 1999 | Dec 1, 1999 |
| № 8752 | S14 | E01 | 01 | 0000 | ALPHA | Nov 5, 1999 | Nov 12, 1999 | Nov 26, 1999 |
| № 8751 | N23 | E14 | 02 | 0040 | ALPHA | Nov 6, 1999 | Nov 13, 1999 | Nov 27, 1999 |
| № 8749 | S18 | W26 | 26 | 0210 | BETA-GAMMA | Nov 3, 1999 | Nov 10, 1999 | Nov 24, 1999 |
| № 8747 | N12 | W25 | 11 | 0090 | BETA | Nov 3, 1999 | Nov 10, 1999 | Nov 24, 1999 |
| № 8745 | S15 | W39 | 04 | 0030 | BETA | Nov 2, 1999 | Nov 9, 1999 | Nov 23, 1999 |
| № 8742 | N08 | W68 | 02 | 0070 | ALPHA | Oct 31, 1999 | Nov 7, 1999 | Nov 20, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to November 1999. The gray background is the average SSN index.
