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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8772 | N05 | E73 | 01 | 0020 | ALPHA | Nov 25, 1999 | Dec 2, 1999 | Dec 16, 1999 |
| № 8771 | S14 | E48 | 15 | 0170 | BETA | Nov 23, 1999 | Nov 30, 1999 | Dec 14, 1999 |
| № 8770 | S13 | W49 | 09 | 0110 | BETA | Nov 16, 1999 | Nov 23, 1999 | Dec 7, 1999 |
| № 8769 | S10 | E39 | 04 | 0070 | BETA | Nov 23, 1999 | Nov 30, 1999 | Dec 13, 1999 |
| № 8768 | N17 | W22 | 10 | 0180 | BETA | Nov 18, 1999 | Nov 25, 1999 | Dec 9, 1999 |
| № 8766 | N18 | E04 | 20 | 0300 | BETA-GAMMA | Nov 20, 1999 | Nov 27, 1999 | Dec 11, 1999 |
| № 8765 | S12 | W18 | 35 | 1280 | BETA-GAMMA-DELTA | Nov 18, 1999 | Nov 25, 1999 | Dec 9, 1999 |
| № 8763 | S13 | W33 | 02 | 0010 | BETA | Nov 17, 1999 | Nov 24, 1999 | Dec 8, 1999 |
| № 8759 | N13 | W64 | 08 | 0120 | BETA | Nov 15, 1999 | Nov 22, 1999 | Dec 5, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to November 1999. The gray background is the average SSN index.
