Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9099 | N12 | E65 | 01 | 0070 | ALPHA | Jul 27, 2000 | Aug 3, 2000 | Aug 16, 2000 |
| № 9098 | S02 | W33 | 04 | 0010 | BETA | Jul 19, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9097 | N05 | E55 | 12 | 0650 | BETA-DELTA | Jul 26, 2000 | Aug 2, 2000 | Aug 15, 2000 |
| № 9096 | S14 | E49 | 03 | 0070 | BETA | Jul 26, 2000 | Aug 1, 2000 | Aug 15, 2000 |
| № 9095 | N23 | W25 | 14 | 0060 | BETA | Jul 20, 2000 | Jul 27, 2000 | Aug 10, 2000 |
| № 9094 | S24 | E26 | 01 | 0050 | ALPHA | Jul 24, 2000 | Jul 31, 2000 | Aug 14, 2000 |
| № 9092 | S25 | W47 | 01 | 0000 | ALPHA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9091 | S06 | E17 | 05 | 0060 | BETA | Jul 23, 2000 | Jul 30, 2000 | Aug 12, 2000 |
| № 9090 | N12 | E20 | 42 | 0190 | BETA | Jul 23, 2000 | Jul 30, 2000 | Aug 13, 2000 |
| № 9088 | N22 | W47 | 14 | 0180 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9087 | S12 | W11 | 88 | 0780 | GAMMA-DELTA | Jul 21, 2000 | Jul 28, 2000 | Aug 10, 2000 |
| № 9085 | N15 | W32 | 27 | 0300 | BETA | Jul 19, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9084 | N20 | W64 | 06 | 0180 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 7, 2000 |
| № 9081 | N04 | W47 | 01 | 0070 | ALPHA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9080 | N24 | W66 | 06 | 0090 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 7, 2000 |
| № 9079 | S26 | W73 | 01 | 0050 | ALPHA | Jul 16, 2000 | Jul 23, 2000 | Aug 6, 2000 |
| № 9077 | N19 | W82 | 05 | 0040 | BETA | Jul 16, 2000 | Jul 22, 2000 | Aug 5, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to July 2000. The gray background is the average SSN index.
