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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8781 | S13 | E44 | 04 | 0080 | BETA | Dec 2, 1999 | Dec 8, 1999 | Dec 22, 1999 |
| № 8779 | S09 | W61 | 03 | 0010 | BETA | Nov 24, 1999 | Nov 30, 1999 | Dec 14, 1999 |
| № 8778 | S14 | W08 | 29 | 0140 | BETA | Nov 28, 1999 | Dec 4, 1999 | Dec 18, 1999 |
| № 8776 | S27 | W61 | 03 | 0050 | BETA | Nov 23, 1999 | Nov 30, 1999 | Dec 15, 1999 |
| № 8774 | N20 | W24 | 01 | 0000 | ALPHA | Nov 26, 1999 | Dec 3, 1999 | Dec 17, 1999 |
| № 8773 | S13 | W50 | 05 | 0030 | BETA | Nov 24, 1999 | Dec 1, 1999 | Dec 15, 1999 |
| № 8772 | N06 | W34 | 01 | 0000 | ALPHA | Nov 26, 1999 | Dec 2, 1999 | Dec 16, 1999 |
| № 8771 | S14 | W66 | 17 | 0720 | BETA-GAMMA-DELTA | Nov 23, 1999 | Nov 30, 1999 | Dec 14, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to November 1999. The gray background is the average SSN index.
