大型半圓球轉盤可直立操作講解，便於老師示範教學及學生操作實驗。
本盤可觀測月亮形狀，星座升降方位及日期時間的相互關係。
正面採用高級壓克力面板精美設計印刷，剖面半圓形一體成型外殼表面採低溫烤漆處理。
尺寸約：直徑420×高500mm(附木製台座)。
內部隱藏式照明燈110V，30W。
These moon and star locators are 420mm in diameter and are made of weather-resistant plastic.
Constructed of strong acrylic "color-coded" design with 420mm diameter hemisphere with a built-in light set mounted on a wooden stand.
They have a number of advanced features, such as azimuth and altitude lines, and a setting for dialing in the coordinates of any celestial object.
Also included are position tables for the moon according to the lunar calendar.
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