Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9175 | N21 | E69 | 02 | 0030 | BETA | Oct 3, 2000 | Oct 10, 2000 | Oct 24, 2000 |
| № 9174 | S30 | W58 | 01 | 0000 | ALPHA | Sep 23, 2000 | Sep 30, 2000 | Oct 15, 2000 |
| № 9173 | S13 | E53 | 10 | 0120 | BETA | Oct 2, 2000 | Oct 9, 2000 | Oct 22, 2000 |
| № 9172 | N12 | E48 | 09 | 0080 | BETA | Oct 1, 2000 | Oct 8, 2000 | Oct 22, 2000 |
| № 9171 | S14 | E21 | 04 | 0070 | BETA | Sep 29, 2000 | Oct 6, 2000 | Oct 20, 2000 |
| № 9170 | S05 | W36 | 26 | 0120 | BETA | Sep 25, 2000 | Oct 2, 2000 | Oct 15, 2000 |
| № 9169 | N12 | W32 | 67 | 1210 | BETA-GAMMA | Sep 25, 2000 | Oct 2, 2000 | Oct 16, 2000 |
| № 9167 | N16 | W53 | 04 | 0060 | BETA | Sep 24, 2000 | Oct 1, 2000 | Oct 14, 2000 |
| № 9166 | S12 | W80 | 10 | 0370 | BETA | Sep 22, 2000 | Sep 29, 2000 | Oct 12, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to September 2000. The gray background is the average SSN index.
