One of the best known features of the planet Jupiter is the Great Red Spot.
The Great Red Spot is a permanent anticyclonic storm, and is significantly larger than the Earth.
The spot on Jupiter usually can be found 22° south of the equator, in or near the South Equatorial Belt.
It rotates counterclockwise, with a period of about six days, and can be seen with Earth based telescopes with an aperture of 12 cm or larger.
While it does vary in longitude, and can disappear from view for months or even years, it is almost always at this latitude.