Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9091 | S07 | E71 | 01 | 0030 | ALPHA | Jul 23, 2000 | Jul 30, 2000 | Aug 13, 2000 |
| № 9090 | N10 | E72 | 06 | 0090 | BETA | Jul 23, 2000 | Jul 30, 2000 | Aug 13, 2000 |
| № 9089 | N12 | E32 | 01 | 0000 | ALPHA | Jul 20, 2000 | Jul 27, 2000 | Aug 10, 2000 |
| № 9088 | N19 | E07 | 14 | 0060 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 8, 2000 |
| № 9087 | S13 | E46 | 15 | 0210 | BETA-GAMMA | Jul 21, 2000 | Jul 28, 2000 | Aug 11, 2000 |
| № 9085 | N14 | E22 | 23 | 0270 | BETA-GAMMA | Jul 20, 2000 | Jul 26, 2000 | Aug 9, 2000 |
| № 9084 | N20 | W10 | 04 | 0010 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 7, 2000 |
| № 9082 | S10 | W31 | 08 | 0020 | BETA | Jul 16, 2000 | Jul 22, 2000 | Aug 5, 2000 |
| № 9081 | N03 | E04 | 11 | 0090 | BETA | Jul 18, 2000 | Jul 25, 2000 | Aug 7, 2000 |
| № 9080 | N26 | W08 | 07 | 0020 | BETA | Jul 17, 2000 | Jul 24, 2000 | Aug 7, 2000 |
| № 9079 | S26 | W23 | 01 | 0060 | ALPHA | Jul 16, 2000 | Jul 23, 2000 | Aug 6, 2000 |
| № 9077 | N18 | W34 | 45 | 0450 | BETA-GAMMA | Jul 15, 2000 | Jul 22, 2000 | Aug 5, 2000 |
| № 9076 | S23 | W56 | 02 | 0000 | BETA | Jul 14, 2000 | Jul 20, 2000 | Aug 3, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to July 2000. The gray background is the average SSN index.
