Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9099 | N11 | E75 | 01 | 0050 | ALPHA | Jul 27, 2000 | Aug 2, 2000 | Aug 16, 2000 |
| № 9098 | S02 | W20 | 04 | 0010 | BETA | Jul 19, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9097 | N05 | E67 | 04 | 0370 | BETA | Jul 26, 2000 | Aug 2, 2000 | Aug 15, 2000 |
| № 9096 | S14 | E60 | 02 | 0070 | BETA | Jul 25, 2000 | Aug 1, 2000 | Aug 15, 2000 |
| № 9095 | N24 | W13 | 10 | 0030 | BETA | Jul 20, 2000 | Jul 27, 2000 | Aug 10, 2000 |
| № 9094 | S24 | E37 | 01 | 0050 | ALPHA | Jul 24, 2000 | Jul 31, 2000 | Aug 14, 2000 |
| № 9092 | S25 | W37 | 03 | 0030 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9091 | S06 | E28 | 03 | 0040 | BETA | Jul 23, 2000 | Jul 30, 2000 | Aug 12, 2000 |
| № 9090 | N11 | E33 | 28 | 0190 | BETA | Jul 23, 2000 | Jul 30, 2000 | Aug 13, 2000 |
| № 9088 | N22 | W35 | 12 | 0170 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9087 | S12 | W00 | 51 | 0510 | BETA-GAMMA-DELTA | Jul 21, 2000 | Jul 28, 2000 | Aug 10, 2000 |
| № 9085 | N14 | W17 | 21 | 0260 | BETA | Jul 20, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9084 | N19 | W54 | 07 | 0280 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 6, 2000 |
| № 9081 | N04 | W34 | 01 | 0070 | ALPHA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9080 | N24 | W53 | 12 | 0120 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 7, 2000 |
| № 9079 | S26 | W63 | 01 | 0060 | ALPHA | Jul 16, 2000 | Jul 23, 2000 | Aug 6, 2000 |
| № 9077 | N19 | W72 | 11 | 0080 | BETA | Jul 15, 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.
