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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8778 | S16 | E33 | 04 | 0040 | BETA | Nov 28, 1999 | Dec 5, 1999 | Dec 18, 1999 |
| № 8777 | S27 | E11 | 01 | 0030 | ALPHA | Nov 26, 1999 | Dec 3, 1999 | Dec 17, 1999 |
| № 8776 | S28 | W17 | 05 | 0040 | BETA | Nov 24, 1999 | Dec 1, 1999 | Dec 15, 1999 |
| № 8773 | S15 | W18 | 04 | 0010 | BETA | Nov 24, 1999 | Dec 1, 1999 | Dec 14, 1999 |
| № 8772 | N06 | E01 | 03 | 0020 | BETA | Nov 25, 1999 | Dec 2, 1999 | Dec 16, 1999 |
| № 8771 | S14 | W29 | 26 | 0650 | BETA-GAMMA | Nov 23, 1999 | Nov 30, 1999 | Dec 13, 1999 |
| № 8768 | N17 | W92 | 04 | 0060 | BETA | Nov 18, 1999 | Nov 25, 1999 | Dec 9, 1999 |
| № 8766 | N18 | W66 | 11 | 0040 | BETA | Nov 20, 1999 | Nov 27, 1999 | Dec 11, 1999 |
| № 8765 | S12 | W88 | 09 | 0330 | BETA-GAMMA-DELTA | Nov 19, 1999 | Nov 25, 1999 | Dec 9, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to November 1999. The gray background is the average SSN index.
