No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8027 | S28 | E36 | 10 | 0070 | BETA | Apr 10, 1997 | Apr 17, 1997 | May 1, 1997 |
| № 8026 | S23 | W43 | 06 | 0030 | BETA | Apr 4, 1997 | Apr 11, 1997 | Apr 25, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to April 1997. The gray background is the average SSN index.
