noun
equatorial telescope; equatorial mount
A telescope mount aligned with the celestial equator, used in astronomy to track stars. The term can refer to the mount itself or the telescope equipped with it.
天文台には大型の赤道儀が設置されている。
A large equatorial telescope is installed at the observatory.
赤道儀を使うと、星の動きを自動で追跡できる。
Using an equatorial mount, you can automatically track the movement of stars.