Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9136 | N07 | W04 | 09 | 0020 | BETA | Aug 19, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9135 | S12 | W11 | 23 | 0120 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 7, 2000 |
| № 9134 | N06 | E31 | 05 | 0000 | ALPHA | Aug 21, 2000 | Aug 28, 2000 | Sep 10, 2000 |
| № 9133 | S08 | W38 | 03 | 0000 | ALPHA | Aug 16, 2000 | Aug 23, 2000 | Sep 5, 2000 |
| № 9132 | N21 | E16 | 05 | 0010 | BETA | Aug 20, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9131 | N14 | E23 | 05 | 0090 | BETA | Aug 21, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9129 | S06 | E11 | 09 | 0150 | BETA | Aug 20, 2000 | Aug 26, 2000 | Sep 9, 2000 |
| № 9128 | N12 | W04 | 10 | 0010 | BETA | Aug 19, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9127 | S36 | W54 | 07 | 0160 | BETA | Aug 14, 2000 | Aug 22, 2000 | Sep 5, 2000 |
| № 9125 | N26 | W20 | 35 | 0200 | BETA-GAMMA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9124 | S12 | W22 | 18 | 0030 | BETA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9123 | N21 | W43 | 03 | 0010 | BETA | Aug 16, 2000 | Aug 22, 2000 | Sep 5, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to August 2000. The gray background is the average SSN index.
