No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8061 | S21 | W04 | 01 | 0010 | ALPHA | Jul 16, 1997 | Jul 23, 1997 | Aug 6, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to July 1997. The gray background is the average SSN index.
