白天，测量从太阳到月亮的距离，并加上到上升的距离。但是，在晚上，弧度必须从上升减去。
By day, measure from the Sun to the Moon and add that distance to the ascendant, but by night the arc must he subtracted from the ascendant.
白天，测量从太阳到月亮的距离，并加上到上升的距离。但是，在晚上，弧度必须从上升减去。
By day, measure from the Sun to the Moon and add that distance to the ascendant, but by night the arc must he subtracted from the ascendant.
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