Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 21, 2000. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9139 | S11 | E19 | 05 | 0070 | BETA | Aug 24, 2000 | Aug 31, 2000 | Sep 13, 2000 |
| № 9138 | S31 | E47 | 01 | 0040 | ALPHA | Aug 26, 2000 | Sep 2, 2000 | Sep 16, 2000 |
| № 9137 | N24 | E29 | 02 | 0010 | BETA | Aug 25, 2000 | Sep 1, 2000 | Sep 14, 2000 |
| № 9136 | N08 | W52 | 01 | 0040 | ALPHA | Aug 18, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9135 | S11 | W58 | 07 | 0040 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 7, 2000 |
| № 9134 | N08 | W16 | 04 | 0010 | BETA | Aug 21, 2000 | Aug 28, 2000 | Sep 10, 2000 |
| № 9131 | N16 | W25 | 03 | 0080 | BETA | Aug 20, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9129 | S05 | W37 | 03 | 0170 | BETA | Aug 20, 2000 | Aug 26, 2000 | Sep 9, 2000 |
| № 9127 | S39 | W95 | 01 | 0060 | ALPHA | Aug 15, 2000 | Aug 22, 2000 | Sep 6, 2000 |
| № 9125 | N28 | W65 | 12 | 0090 | BETA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9124 | S13 | W66 | 01 | 0000 | ALPHA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to August 2000. The gray background is the average SSN index.
