Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9138 | S32 | E64 | 01 | 0030 | ALPHA | Aug 26, 2000 | Sep 2, 2000 | Sep 16, 2000 |
| № 9137 | N23 | E45 | 02 | 0010 | BETA | Aug 24, 2000 | Aug 31, 2000 | Sep 14, 2000 |
| № 9136 | N06 | W33 | 11 | 0070 | BETA | Aug 19, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9135 | S12 | W41 | 09 | 0050 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 7, 2000 |
| № 9134 | N09 | E02 | 04 | 0010 | ALPHA | Aug 21, 2000 | Aug 28, 2000 | Sep 11, 2000 |
| № 9133 | S10 | W64 | 03 | 0000 | BETA | Aug 16, 2000 | Aug 23, 2000 | Sep 6, 2000 |
| № 9131 | N15 | W07 | 04 | 0110 | BETA | Aug 20, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9129 | S06 | W19 | 05 | 0150 | BETA | Aug 20, 2000 | Aug 26, 2000 | Sep 9, 2000 |
| № 9128 | N10 | W34 | 10 | 0030 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9127 | S38 | W77 | 01 | 0080 | ALPHA | Aug 15, 2000 | Aug 22, 2000 | Sep 6, 2000 |
| № 9125 | N27 | W49 | 28 | 0130 | BETA-GAMMA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9124 | S12 | W49 | 11 | 0050 | BETA | 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.
