No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 26, 1997. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8088 | S28 | W05 | 25 | 0290 | BETA-GAMMA | Sep 27, 1997 | Oct 4, 1997 | Oct 18, 1997 |
| № 8087 | S23 | E21 | 05 | 0030 | BETA | Sep 29, 1997 | Oct 6, 1997 | Oct 20, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to September 1997. The gray background is the average SSN index.
