Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9179 | N35 | E07 | 04 | 0010 | BETA | Oct 3, 2000 | Oct 10, 2000 | Oct 24, 2000 |
| № 9178 | S23 | E38 | 11 | 0120 | BETA | Oct 5, 2000 | Oct 12, 2000 | Oct 26, 2000 |
| № 9177 | N32 | W33 | 03 | 0020 | BETA | Sep 29, 2000 | Oct 7, 2000 | Oct 21, 2000 |
| № 9176 | S09 | E31 | 24 | 0310 | BETA-GAMMA | Oct 4, 2000 | Oct 11, 2000 | Oct 25, 2000 |
| № 9173 | S11 | W02 | 23 | 0260 | BETA | Oct 2, 2000 | Oct 9, 2000 | Oct 22, 2000 |
| № 9172 | N13 | W07 | 03 | 0040 | BETA | Oct 1, 2000 | Oct 8, 2000 | Oct 22, 2000 |
| № 9171 | S13 | W38 | 02 | 0020 | ALPHA | Sep 29, 2000 | Oct 6, 2000 | Oct 20, 2000 |
| № 9169 | N11 | W92 | 05 | 0230 | BETA | Sep 25, 2000 | Oct 2, 2000 | Oct 15, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to October 2000. The gray background is the average SSN index.
