赤せき道どう儀ぎ

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.

• 天てん文もん台だいには大おお型がたの赤せき道どう儀ぎが設せっ置ちされている。

  A large equatorial telescope is installed at the observatory.

• 赤せき道どう儀ぎを使つかうと、星ほしの動うごきを自じ動どうで追つい跡せきできる。

  Using an equatorial mount, you can automatically track the movement of stars.