Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9101 | S15 | E68 | 01 | 0020 | ALPHA | Jul 29, 2000 | Aug 5, 2000 | Aug 18, 2000 |
| № 9100 | S32 | E62 | 01 | 0040 | ALPHA | Jul 29, 2000 | Aug 5, 2000 | Aug 19, 2000 |
| № 9099 | N13 | E39 | 01 | 0060 | ALPHA | Jul 27, 2000 | Aug 3, 2000 | Aug 16, 2000 |
| № 9097 | N06 | E27 | 21 | 0630 | BETA-GAMMA | Jul 26, 2000 | Aug 2, 2000 | Aug 15, 2000 |
| № 9096 | S12 | E22 | 05 | 0030 | BETA | Jul 26, 2000 | Aug 1, 2000 | Aug 15, 2000 |
| № 9095 | N22 | W52 | 11 | 0060 | BETA | Jul 20, 2000 | Jul 27, 2000 | Aug 10, 2000 |
| № 9094 | S23 | W00 | 01 | 0030 | ALPHA | Jul 24, 2000 | Jul 31, 2000 | Aug 14, 2000 |
| № 9091 | S06 | W09 | 01 | 0030 | ALPHA | Jul 23, 2000 | Jul 30, 2000 | Aug 12, 2000 |
| № 9090 | N11 | W06 | 42 | 0340 | BETA-GAMMA | Jul 23, 2000 | Jul 30, 2000 | Aug 13, 2000 |
| № 9088 | N21 | W76 | 02 | 0070 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9087 | S12 | W37 | 50 | 0670 | GAMMA-DELTA | Jul 21, 2000 | Jul 28, 2000 | Aug 10, 2000 |
| № 9085 | N14 | W59 | 12 | 0090 | BETA | Jul 19, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9084 | N21 | W92 | 01 | 0030 | ALPHA | Jul 17, 2000 | Jul 24, 2000 | Aug 6, 2000 |
| № 9081 | N05 | W73 | 01 | 0040 | ALPHA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to July 2000. The gray background is the average SSN index.
