Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9115 | N16 | E77 | 01 | 0060 | ALPHA | Aug 11, 2000 | Aug 18, 2000 | Aug 31, 2000 |
| № 9114 | N10 | E64 | 01 | 0080 | ALPHA | Aug 10, 2000 | Aug 17, 2000 | Aug 30, 2000 |
| № 9113 | S26 | W26 | 07 | 0040 | BETA | Aug 3, 2000 | Aug 10, 2000 | Aug 24, 2000 |
| № 9112 | N14 | W27 | 01 | 0010 | ALPHA | Aug 3, 2000 | Aug 10, 2000 | Aug 23, 2000 |
| № 9111 | N10 | W03 | 01 | 0010 | ALPHA | Aug 5, 2000 | Aug 12, 2000 | Aug 25, 2000 |
| № 9110 | S20 | E18 | 04 | 0040 | BETA | Aug 6, 2000 | Aug 13, 2000 | Aug 27, 2000 |
| № 9107 | S17 | E03 | 10 | 0050 | BETA | Aug 5, 2000 | Aug 12, 2000 | Aug 26, 2000 |
| № 9105 | N17 | W12 | 01 | 0080 | ALPHA | Aug 4, 2000 | Aug 11, 2000 | Aug 25, 2000 |
| № 9104 | S19 | W27 | 05 | 0110 | BETA | Aug 3, 2000 | Aug 10, 2000 | Aug 24, 2000 |
| № 9103 | N11 | W78 | 02 | 0060 | BETA | Jul 30, 2000 | Aug 6, 2000 | Aug 20, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to August 2000. The gray background is the average SSN index.
