Voyager 2 passed within 10 R and discovered the current sheet in the equatorial plane.
For clarity a quarter of the sphere has been cut out, but keeping the equatorial plane itself.
The ship's orbit was well inclined to the equatorial plane, but he saw no sign of ice caps.
Viewed from Earth, it is just six degrees away from its equatorial plane.
This field extends throughout the Sun's equatorial plane in the heliosphere.
"We're exactly on station over the planet's equatorial plane."
There may be 4, 5 or 6 donor atoms in the equatorial plane.
On all such lines the field is much stronger at their ends near Earth, compared to its strength when it crosses the equatorial plane.
Most of them lie in the planet's equatorial plane, except for those tilted at Uranus.
In the sense discussed here the reference plane is the Earth's equatorial plane.