observed position meaning in English

观测船位
观测位

Calculated and observed positions agree well if the slow increase in the day's length is considered .
如果考虑每天时间的缓慢延长，那末，计算和观察所得的位置就很一致。
It is also used for the difference between the observed position of an object ( minor planet or comet ) and the position calculated from an orbit
该术语也用于描述观测的某天体（小行星或彗星）的位置与轨道计算值之间的差别。
In astrometry , the term is applied to the difference between the observed position ( or magnitude ) of a reference star and the position ( or magnitude ) listed in the star catalog
在天文上，本术语指的是观测的参考星的位置（或星等）与星表上的该星的位置（或星等）的差值。