No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8054 | N07 | W70 | 01 | 0000 | ALPHA | Jun 17, 1997 | Jun 23, 1997 | Jul 7, 1997 |
| № 8053 | S27 | E08 | 02 | 0010 | ALPHA | Jun 22, 1997 | Jun 29, 1997 | Jul 14, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to June 1997. The gray background is the average SSN index.
