如天气好，每一班测取天体方位求出罗经差。
Take celestial azimuth and find compass error on each watch if the weather is fine.
在该窗口的标题栏上显示了该移动天体视运动的速度及方位角。
In the title of the window, the speed and direction of the apparent motion for the object is displayed.
方位，相对位置：方向，尤指用地理学的或天体图线测量的从一个固定位置到另一个位置的带有角度的方向。
Direction, especially angular direction measured from one position to another using geographical or celestial reference lines.
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