No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8097 | N17 | E59 | 03 | 0080 | BETA | Oct 23, 1997 | Oct 30, 1997 | Nov 13, 1997 |
| № 8096 | N13 | E23 | 10 | 0040 | BETA | Oct 21, 1997 | Oct 27, 1997 | Nov 10, 1997 |
| № 8093 | N31 | W60 | 09 | 0070 | BETA | Oct 14, 1997 | Oct 21, 1997 | Nov 4, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to October 1997. The gray background is the average SSN index.
